| NOTE:
1 + 2 + 3 + 4 + · · · ,
152830 Dinkinesh,
16 Psyche,
Abell catalogue,
Abell 370,
Abell 2261,
Abell 2744,
Abel Prize,
Abraham (Avi) Loeb,
Abundance of elements in Earth's crust,
Abundance of the chemical elements,
Accelerating expansion of the universe,
Acinetobacter,
Acceptance of evolution by religious groups,
Accretion disc,
Acetamide,
Acetone,
Acrylonitrile,
Active asteroid
Active SETI,
Acute radiation syndrome,
Adam Frank,
Adenine,
Adirondack (Mars),
Advanced Aviation Threat Identification Program,
Aeolis Mons,
Aeolis Palus,
Aeolis quadrangle,
Aequorin,
Aerobic organism,
Affine gauge theory,
Affordable Connectivity Program,
African Genesis,
Afropithecus,
AG Antliae,
Ageing,
Age of the universe,
AIDA (mission),
Airborne observatory,
Air pollution,
Air pollutant concentrations,
Airy (Martian crater).
Airy-0,
Akatsuki (spacecraft),
Akira Yoshino,
Alan Eustace,
Alan Lightman,
Alan Turing,
Alba Mons,
Albanerpetontidae,
Albert Einstein,
Alcoholic beverage,
Alcubierre drive,
Alexander Oparin,
Alexandra Elbakyan,
Alexei Starobinsky,
Alfvén wave,
Alice Roberts,
Allan Hills,
Allan Hills 84001,
Alnus viridis,
Alpha Centauri,
Alpha Centauri B,
Alpha Centauri Bb,
ALPHA experiment,
Alpha Magnetic Spectrometer,
Altamura Man,
Alternative medicine,
Alternative periodic tables,
Alzheimer's Disease,
Amasia (continent),
Amazonis Planitia,
Amazonis quadrangle,
Amber,
Amenthes quadrangle,
American Association for Clinical Chemistry,
American Museum of Natural History,
Amesh Adalja,
A Message from Earth,
Amoxicillin,
Amsler grid,
Anaerobe,
Anaerobic respiration,
Anatoli Bugorski,
Anatomically modern humans,
Ancient DNA,
Ancient protein,
Ancient trackway,
Andean-Saharan glaciation,
ANDi,
Andrea M. Ghez,
Andrew Wiles,
Andromeda Galaxy,
Andropause,
Anglerfish,
Ankylosauria,
Animal,
Animal communication,
Animal language,
Animals in space,
Animal track,
Anisotropy,
Anoiapithecus,
Antarctica,
Antarctic ecozone,
Antarctic microorganism,
Anthony Fauci,
Anthropocene,
Anthropause,
Anthropogeny,
Anthropopithecus,
Antigenic escape,
Antikythera mechanism,
Antimatter,
Antimatter tests of Lorentz violation,
Anti-nuclear movement,
Anyon,
Apatosaurus,
Ape,
Apollo asteroid,
Apollo 8,
Apollo 11,
Apollo 11 (2019 film),
Apollo 13,
99942 Apophis,
Apricot kernel,
Aquatic ape hypothesis,
Arabia Terra,
Arabia quadrangle,
Aram Chaos,
Arbitrary code execution,
Arcadia quadrangle,
Archaea,
Archaeogenetics,
Archaeopteryx,
Archaic Homo sapiens,
Archaic human admixture with modern humans,
Archaic humans,
Archean,
Archosaur,
Archytas,
Ardi,
Ardipithecus,
Ardipithecus kadabba,
Ardipithecus ramidus,
Areography,
Ares Vallis,
Argyre Planitia,
Arieh Warshel,
Argon,
Argyre quadrangle,
Aromaticity,
Arnold J. Levine,
Array processing,
Arsenic,
Arsenic biochemistry,
Arsenic contamination of groundwater,
Arsenic DNA,
Arsenic poisoning,
Arsenic toxicity,
Arsenic trioxide,
Artificial cell,
Artificial general intelligence,
Artificial Intelligence,
Artificial intelligence in Wikimedia projects,
Artificial life,
Artificially Expanded Genetic Information System,
Art of the Upper Paleolithic,
Artynia Catena,
Asgard (archaea),
Ask Dr. Science,
Aspirin,
Association for Diagnostics & Laboratory Medicine,
Asteriod,
Asterism (astronomy),
Asteroid belt,
Asteroid impact avoidance,
Asteroid impact prediction,
Asteroid Redirect Mission,
Asteroid Terrestrial-impact Last Alert System,
Astra 2E,
Astrobotic Technology,
Astrochemistry,
Astroecology,
Astroengineering,
AstroForge,
Astronomical naming conventions,
Astronomical spectroscopy,
Astronomy,
Astronomy and Astrophysics Decadal Survey,
Astronomy on Mars,
Astrophysical X-ray source,
AST SpaceMobile,
AT 2017gfo,
AT2021lwx,
Atacama Desert,
Atacama Large Millimeter Array,
Atapuerca Mountains,
Athena (spacecraft),
Atlantis Chaos,
Atmosphere of Earth,
Atmosphere of Jupiter,
Atmosphere of Mars,
Atmosphere of Pluto,
Atmosphere of the Moon,
Atmosphere of Titan,
Atmosphere of Venus,
Atmospheric chemistry,
Atmospheric methane,
Atom,
Atomic and molecular astrophysics,
Atomic clock,
A-type main-sequence star,
Aubrite,
Aurelia and Blue Moon,
Aureum Chaos,
Aurora (astronomy),
Australopithecine,
Australopithecus,
Australopithecus afarensis,
Australopithecus africanus,
Australopithecus anamensis,
Australopithecus bahrelghazali,
Australopithecus deyiremeda,
Australopithecus garhi,
Australopithecus sediba,
Automated analyzer,
Automotive Hall of Fame,
Autotroph,
Avalanche breakdown,
Axion,
Azimuth,
Aziz Sancar,
Backdoor (computing),
Bacteria,
Bacterial genome,
Baily's beads,
Baksan Neutrino Observatory,
Bärbel Koribalski,
Barbenheimer,
Barnacle Bill (Martian rock),
Barnard's Star,
Barred spiral galaxy,
Barry Barish,
Baryon acoustic oscillations,
Baryon asymmetry,
Basalt,
Base pair,
Bash (Unix shell),
Bath salts (drug),
Bathyscaphe,
Battery charger,
Battery (electricity),
Battery nomenclature,
BD +20°307,
Bdelloidea,
Behavioral modernity,
Bell's theorem,
Bell test experiments,
Bench Crater meteorite,
Ben Feringa,
Benzo(e)pyrene,
Bernard Fisher (scientist),
Beta Pictoris,
Betelgeuse,
BICEP and Keck Array,
BICEP2,
Biden Administration COVID-19 action plan,
Big Bang,
Big History,
Big History Project,
Big Bounce,
Big Crunch,
Big Rip,
Bili ape,
Bill Nye,
Bill Nye: Science Guy,
Bill Nye the Science Guy,
Bilzingsleben (Paleolithic site),
Binary star,
Biocrystallization,
Biodiversity,
Biofilm,
Biogeochemistry,
Biogeography,
Biological engineering,
Biological organisation,
Biology and sexual orientation,
Biomarker,
Biomineralization,
Biosignature,
Biosphere,
Biosphere 2,
Biotic material,
Bipedalism,
Bird,
Bird flight,
Bird vocalization,
Black-body radiation,
Black Brant (rocket),
Black hole,
Black hole information paradox,
Blazar,
BLC1,
Block Island meteorite,
Blood test,
Bluedot Festival,
Blue supergiant star,
Blue whale,
BMW Z3,
BNT162b2,
Body mass index,
Body plan,
Boeddicker (crater),
Boeing X-37,
Boltzmann brain,
Bomb,
Bonobo,
Borealopelta,
Boson,
Bounce Rock,
Bradley Schaefer,
Brain-computer interface,
Brain in a vat,
Brain-to-body mass ratio,
Brass Knuckles (Pluto),
Breakthrough Initiatives,
Breakthrough of the Year,
Brian Atwater,
Brontosaurus,
Bronze Age,
Brown dwarf,
Brownie (camera),
Bruhathkayosaurus,
Bryan Sykes,
B612 Foundation,
Bubble (physics),
Buckminsterfullerene,
Buriolestes,
Bus network,
Buzz Aldrin,
C/2011 L4,
C/2012 S1,
C/2013 R1,
C/2017 K2,
C/2018 Y1 (Iwamoto),
C/2019 E3 (ATLAS),
C/2019 Q4 (Borisov),
C/2019 Y4 (ATLAS),
C/2022 E3 (ZTF),
Calibration,
Calibre (software),
Calico Early Man Site,
Callao Man,
Callichimaera,
Callisto (moon),
Callophoca,
Caloris Basin,
Cambrian,
Cambrian explosion,
Cancer,
Cancer cell,
Cancer research,
Capsaicin,
Carbon cycle,
Carbon dioxide,
Carbon dioxide in Earth's atmosphere,
Carbon–hydrogen bond,
Carboxylic acid,
Cardiovascular disease,
Carl Sagan,
Carl Sagan Institute,
Cartwheel Galaxy,
Cascade Lake (microarchitecture),
Casimir effect,
Casio Wave Ceptor,
Casius quadrangle,
Cassini–Huygens,
Cassini–Huygens retirement,
Cassini retirement,
Caulobacter crescentus,
Causes of hearing loss,
Caveman,
Cave painting,
Cave of Altamira,
/CCR5,
Cebrenia quadrangle,
Celestial Navigation (novel),
Cell (biology),
Cell cycle,
Cell membrane,
Cellular stress response,
Center for Life Detection Science,
Ceprano Man,
Ceres (dwarf planet),
CERN,
Cerutti Mastodon site,
Chandra Deep Field South,
Chandra X-ray Observatory,
Chang'e 4,
Challenger Deep,
Chancelade man,
Chang'e 4,
Chaos terrain,
Chargemaster,
Charles Bolden,
Charles Darwin,
Charles Grob,
Charles M. Rice,
Charon (moon),
ChatGPT,
Chelyabinsk meteor,
Chemical element,
Chemically peculiar star,
Chemical oceanography,
CheMin,
Chemoton,
Chemotroph,
Cheyenne Mountain,
CHEOPS,
Chicxulub crater,
Chicxulub impactor,
Chimpanzee,
Chimpanzee–human last common ancestor,
Chlorobenzene,
Chororapithecus,
CHON,
Chondrite,
Christina Koch,
Chromatin,
Chronology,
Chronology of discoveries of water on Mars,
Chronology of the universe,
ChronoZoom,
CI1 fossils,
Cigarette,
Circinus X-1,
Circular RNA,
Circumbinary planet,
Circumstellar disc,
Circumstellar dust,
Circumstellar habitable zone,
Claudia Dreifus,
Clay,
Clay minerals,
Cleaning event,
Clickable,
Climate,
Climate change,
Climate change denial,
Climate change in the United States,
Climate of Mars,
Climate of Titan,
Clone (cell biology),
Cloning,
Clothes,
Clotrimazole,
Cloud,
CMB cold spot,
CNEOS 2014-01-08,
Coal slurry,
Coastal engineering,
Coastal flood,
Coccyx,
Coleta de Dados Colles,
Collinsium,
Colossus (novel),
Colonization of Mars,
Color calibration,
Color chart,
Color photography,
Columbia (supercontinent),
Combe-Capelle,
Comet,
Comet ISON,
Comet nucleus,
Comet tail,
Commemoration of Charles Darwin,
Common chimpanzee,
Common descent,
Common surface features of Mars,
Communication with extraterrestrial intelligence,
Comoving and proper distances,
Compact star,
Comparison of battery types,
Composition of Mars,
Comprehensive metabolic panel,
Computer simulation,
Concentric crater fill,
Consciousness,
Contact lens,
Contents of the Voyager Golden Record,
Continental drift,
Control of fire by early humans,
Cooking,
Copenhagen Accord,
Copernican principle,
Coprates quadrangle,
Coprolite,
Coquí,
Coronal mass ejection,
Coronation rock,
Coronavirus,
Coronavirus disease 2019,
Cosmic Background Explorer,
Cosmic Calendar,
Cosmic microwave background
Cosmic microwave background radiation,
Cosmic web,
Cosmochemistry,
Cosmogony,
Cosmology,
Cosmos: A Personal Voyage,
Cosmos: A Space-Time Odyssey,
Cosmos: Possible Worlds,
COVID-19 drug development,
COVID-19 misinformation,
COVID-19 pandemic,
COVID-19 pandemic in Australia,
COVID-19 pandemic in Pennsylvania,
COVID-19 testing,
COVID-19 vaccine,
Crab-eating macaque,
Cradle of Humankind,
Crew Dragon Demo-2,
Crewed Mars rover,
Crinoid,
CRISPR,
Cro-Magnon,
Cryodrakon,
Cryogenian,
Cryovolcano,
CTA-102,
Cultural universal,
CUORE,
Curiosity Rover,
CWISEP J1935-1546;
Cyanobacteria,
Cyclic model,
Cydonia (region of Mars),
Cygnus X-1,
Cyril Wecht,
Cytology,
Daniel Apai,
Dante Lauretta,
Dark energy,
Dark-energy star,
Dark galaxy,
Dark matter,
Dark slope streak,
Darwin Day,
Darwin's Brave New World,
DAVINCI+,
David R. Montgomery,
Dawn (spacecraft),
Day,
dBZ (meteorology),
Death Star,
Debra Fischer,
Debris disk,
Declination,
Deep Impact (spacecraft),
Deep-sea exploration,
Deepsea Challenger,
Deep time,
De Dion-Bouton,
Deep Carbon Observatory,
Deep Near Infrared Survey of the Southern Sky,
Deep Space Atomic Clock,
Deep Space Climate Observatory,
De-extinction,
Definition of planet,
Degeneration,
Deimos (moon),
Deinosuchus,
Delamare-Deboutteville,
Delta IV Heavy,
delta-8-Tetrahydrocannabinol,
Denisova Cave,
Denisovan,
De novo gene birth,
Dental abscess,
Denver Museum of Nature and Science,
Desmond Morris,
Detailed logarithmic timeline,
Deuterostomes,
Devonian,
Diacria quadrangle,
Diamantinasaurus,
Diatom,
Dicynodont,
Didier Queloz,
Diet and cancer,
Diet (nutrition),
Diffraction,
Digital clock,
Dimple,
Dinosaur,
Dinosaur size,
Dione (moon),
Directed evolution.
Discoscapa apicula,
Discoveries of exoplanets,
Discovery of cosmic microwave background radiation,
Distance measure,
DNA,
DNA digital data storage,
DNA sequencing,
DocFetcher,
Docosahexaenoic acid,
Dog,
Dog breed,
Domain (biology),
Donald Johanson,
Donald Pinkel,
Don Juan Pond,
Doomsday Clock,
Double Asteroid Redirection Test,
Double planet,
Doughnut theory of the universe,
Dragonfly 44,
Dragonfly (spacecraft),
Drake equation,
Dragon (spacecraft),
Dresser Formation,
Drinking water,
Drinking water quality in the United States,
Dryopithecus,
Dsup,
Dusicyon avus,
Dust devil,
Dust devil tracks,
Dwarf planet,
Dyakonov surface waves,
Dynamic soaring,
Earliest findings for hominid art,
Early human migrations,
Earth,
Earth analog,
Earth Day,
Earth in culture,
Earthrise,
Earth science,
Earth Similarity Index,
Earth's orbit,
Eastern tent caterpillar,
Ebola vaccine,
Ebola virus,
Ebola virus disease,
Ebola virus epidemic in West Africa,
Echiniscoides sigismundi,
Ethisterone,
Eclipse,
Ediacaran biota,
Edward Fredkin,
Efficacy,
Effect of spaceflight on the human body,
EGS-zs8-1,
Eicosapentaenoic acid,
Einstein cross,
Einstein Papers Project,
Einstein radius,
Einstein ring,
El Capitan (Mars),
Electronic cigarette,
Electroweak epoch,
Elektro-L,
Elephant,
Elephant bird,
Elephant cognition,
Elephantidae,
El Gordo (galaxy cluster),
Elliptical galaxy,
Elon Musk,
Elon Musk's Tesla Roadster,
Elsa Einstein,
Elysium Mons,
Elysium Planitia,
Elysium quadrangle,
Embryophyte,
Emirates Mars Mission,
Emmanuelle Charpentier,
Enceladus Explorer,
Enceladus Life Finder,
Encephalization quotient,
Encyclopedia Britannica,
Encyclopedia of Life,
Endemic (epidemiology),
Endolith,
Endospore,
Energy poverty and cooking,
Energy storage,
Entropy (arrow of time),
Environmental change,
Environmental DNA,
Environmental factor,
Environmental impact of hydraulic fracturing in the United States,
Eoarchean,
Eos Chaos,
EPIC 204278916,
EPIC 249706694,
Epic of evolution,
Epigenetics in stem-cell differentiation,
Epoch (astronomy),
Epsilon Eridani,
Epsilon Eridani b,
ER=EPR,
Erich Jarvis,
Eric Lander,
Eric Lerner,
Eric Scerri,
Eric Topol,
Eridania quadrangle,
Erik Verlinde,
Eruption column,
Essential fatty acid interactions,
EternalBlue,
Ethics in pharmaceutical sales,
Ethisterone,
Ethology,
Euglenid,
Eukaryote,
Europa Clipper,
Europa (moon),
European early modern humans,
European Mars Analog Research Station,
European Southern Observatory,
Eurypterid,
Eutheria,
Event Horizon Telescope,
Everything (software),
Evidence of common descent,
Evolution,
Evolutionary biology,
Evolutionary developmental biology,
Evolutionary history of life,
Evolutionary history of plants,
Evolutionary Map of the Universe,
Evolutionary physiology,
Evolution as fact and theory,
Evolution of biological complexity,
Evolution of birds,
Evolution of cells,
Evolution of dinosaurs,
Evolution of fungi,
Evolution of insects,
Evolution of mammals,
Evolution of human intelligence,
Evolution of photosynthesis,
Evolution of primates,
Evolution of sexual reproduction,
Evolvability,
ExoMars,
ExoMars rover,
Exomoon,
Exoplanet,
Exoplanet Archive,
Exoplanetary Circumstellar Environments and Disk Explorer,
Exosphere,
Exozodiacal dust,
Expanded genetic code,
Exploration of Jupiter,
Exploration of Mars,
Exploration of Pluto,
Exploration of Saturn,
Exploration of Uranus,
Explorers program,
EXPOSE,
Extinct comet,
Extinction,
Extinction event,
Extragalactic background light
Extragalactic planet,
Extraterrestrial atmosphere,
Extraterrestrial hypothesis,
Extraterrestrial liquid water,
Extraterrestrial materials,
Extraterrestrial sample curation,
Extraterrestrial skies,
Extremes on Earth,
Extreme weather,
Extremophile,
Eyeball planet,
Eye chart,
Eye examination,
Fabric of the Cosmos,
Face masks during the COVID-19 pandemic,
Face on Mars,
Family Portrait (MESSENGER),
Family Portrait (Voyager),
Far infrared astronomy,
Faraday's law of induction,
Far side of the Moon,
Fast radio burst,
Feather,
Feathered dinosaur,
Feldspar,
Felix Baumgartner,
Fermat's Last Theorem,
Fermi Gamma-ray Space Telescope,
Fermi paradox,
Ferrari,
Fifth force,
Fifth planet (hypothetical),
Film colorization,
Fingerprint,
Fingerprint recognition,
First observation of gravitational waves,
First universal common ancestor,
Fish oil,
501.V2 variant,
5-Aza-7-deazaguanine,
55 Cancri e,
50000 Quaoar,
(52768) 1998 OR2,
Flame Nebula,
FLOPS,
Florisbad Skull,
Flower,
Flowering plant,
Fluorescence microscope,
Flying Spaghetti Monster,
Fomalhaut,
Fomalhaut b,
Footprint,
Fossil history of flowering plants
Four-dimensional space,
Ford Focus,
Ford Focus (first generation),
Ford Focus (North America second generation),
Ford Focus (third generation),
Formaldehyde,
Formation and evolution of the Solar System,
Formation of rocks,
47 Ursae Majoris,
Fossil,
4 Vesta,
Founder effect,
Frank Drake,
Frans de Waal,
Fraser Stoddart,
FRB 180916.J0158+65,
Fretted terrain,
Fritz Haber,
Fungus,
Fusion power,
Futures studies,
G-type main-sequence star,
Gaia BH1,
Gaia (spacecraft),
Gaia16aye,
Gain of function research,
Galactic Center,
Galactic halo,
Galaxias Chaos,
Galaxy,
Galaxy cluster,
Galaxy filament,
Galaxy formation and evolution,
Galaxy group,
Galaxy groups and clusters,
Galaxy merger,
Galaxy morphological classification,
Galaxy Zoo,
Galileo Galilei,
Galileo (spacecraft),
Galvanic cell,
Game programmer,
Gamma Cephei Ab,
Gamma-ray astronomy,
Gamma-ray burst,
Gamma-ray burst emission mechanisms,
Gamma-ray burst progenitors,
Gangtoucunia,
Ganymede (moon),
Gary Ruvkun,
Gas giant,
Gas stove,
Gaston Kaboré,
Gemstone,
Gene drive,
General relativity,
Gene therapy,
Genetically modified organism,
Genetic engineering,
Genetic history of indigenous peoples of the Americas,
Genetics,
Gennadiy Borisov,
Genome,
Genome editing,
Genome project,
Genomic imprinting,
Genomics,
Geobiology,
Geochemistry,
Geoffrey Marcy,
Geography of Antarctica,
Geography of Mars,
Geological history of Earth,
Geological history of Mars,
Geological history of oxygen,
Geologic temperature record,
Geologic time scale,
Geology,
Geology of Antarctica,
Geology of Charon,
Geology of Iceland,
Geology of Mercury,
Geology of Pluto,
Geology of the Grand Canyon,
Geology of the Moon,
Geomagnetic reversal,
Geomagnetic storm,
George McGavin,
Geomicrobiology,
Germline,
Germ line development,
Geyser,
Geyserite,
GFAJ-1,
Giant-impact hypothesis,
Giant Magellan Telescope,
Giant planet,
Giant squid,
Giant Void,
Gibbon,
Gigantopithecus,
GJ 1151,
GJ 1214 b,
GK Persei,
GLASS-z13,
Glaucoma,
Glenelg, Mars,
Gliese 163,
Gliese 163 c,
Gliese 436 b,
Gliese 581 b,
Gliese 581 g,
Gliese 667,
Global Atmosphere Watch,
Global biodiversity,
Global catastrophic risks,
Global warming,
Global warming conspiracy theory,
Global warming controversy,
Glucose meter,
Glycolaldehyde,
Glycolonitrile,
GN-z11,
Gobiraptor,
Goldilocks planet,
Golgi apparatus,
Gondwana,
Gondwanatheria,
Gorgonum Chaos,
Gorgosaurus,
Gorilla,
Gorilla–human last common ancestor,
Gorillas in popular culture,
Graecopithecus,
Gramophone record,
Grand Canyon,
Graphical timeline from Big Bang to Heat Death,
Graphical timeline of the Big Bang,
Graphical timeline of the Stelliferous Era,
Graphical timeline of the universe,
Gravastar,
Gravitational lens,
Gravitational microlensing,
Gravitational singularity,
Gravitational wave,
Gravitational-wave astronomy,
Gravitational wave background,
Gravitational-wave observatory,
Gravitation of the Moon,
Graviton,
Gravity Recovery and Interior Laboratory,
Gravity wave,
GRB 130427A,
GRB 221009A,
[[GRB 230307A
]],Great Attractor,
Great Dark Spot,
Great Debate (astronomy),
Great Filter,
Great Internet Mersenne Prime Search,
Great Observatories Origins Deep Survey,
Great oxygenation event,
Greenhouse and icehouse Earth,
Greenhouse gas,
Gregg L. Semenza,
Gregory Forth,
Grus (constellation),
Grimaldi Man,
Guanine,
Guido van Rossum,
Gusev (Martian crater),
GW170104,
GW170814,
Habitat,
Hadean,
Hadley Rille meteorite,
Hadriacus Mons,
Hakeem M. Oluseyi,
Hallucigenia,
Hand,
Hannah Morris,
Hannes Lindemann,
Hans Albert Einstein,
Happisburgh footprints,
Haptic technology,
Haramiyavia,
Haramiyida,
Hartle–Hawking state,
Harvey J. Alter,
HAT-P-1b,
HAT-P-12b,
HD 140283,
HD 15082,
HD 164595,
HD 164595 b,
HD 189733 b,
HD 209458 b,
HD 21749,
HD 3167,
HD 40307,
HD 40307 g,
HD 80606 b,
HD 84406,
HD 85512 b,
HE 1327-2326,
Health,
Health care,
HealthCare.gov,
Health care in the United States,
Health care prices,
Health care reform in the United States,
Health effects of tobacco,
Health promotion,
Health system,
Health systems by country,
Health threat from cosmic rays,
Hearing loss,
Heathkit,
Heat death of the universe,
Heat Shield Rock,
Heliophysics,
Heliosphere,
Helium hydride ion,
Helium planet,
Helix,
Helix Nebula,
Hellas Planitia,
Hellas quadrangle,
Henneguya zschokkei,
Henrietta Swan Leavitt,
Heracles inexpectatus,
Herbert Kleber,
Herbig–Haro object,
Hercules (constellation),
Hercules–Corona Borealis Great Wall,
Herschel 400 Catalogue,
Herschel Space Observatory,
Heterotrophic theory,
Hexapod (robotics),
HH 46/47,
Hiawatha Glacier,
Higgs boson,
High-albedo areas on Ceres,
High-energy astronomy,
Hills mechanism,
HIP 116454b,
Hip replacement,
HI-SEAS,
History of biology,
History of cancer,
History of cancer chemotherapy,
History of chemistry,
History of climate change science,
History of clothing and textiles,
History of Creationism,
History of evolutionary thought,
History of gamma-ray burst research,
History of general relativity,
History of human migration,
History of Mars,
History of molecular evolution,
History of North America,
History of nuclear weapons,
History of photography,
History of quantum mechanics,
History of RNA biology,
History of rockets,
History of science,
History of SpaceX,
History of special relativity,
History of technology,
History of the Americas,
History of the anti-nuclear movement,
History of the battery,
History of the Center of the Universe,
History of the creation–evolution controversy,
History of the Earth,
History of the Internet,
History of the periodic table,
History of X-ray astronomy,
Hoag's Object,
Hofmeyr Skull,
Holmdel Horn Antenna,
Home Plate (Mars),
Homo,
Homo antecessor,
Homo bodoensis,
Homo cepranensis,
Homo erectus,
Homo ergaster,
Homo floresiensis,
Homo gautengensis,
Homo habilis,
Homo heidelbergensis,
Homo luzonensis,
Homo rhodesiensis,
Homo rudolfensis,
Homo sapiens,
Homo sapien sapiens,
Homo sapiens idaltu,
Hominidae,
Hominid dispersals in Europe,
Homo naledi,
Hominini,
Hominization,
Homosexual behavior in animals,
Homosexuality,
Horizontal coordinate system,
Hormone replacement therapy,
Horsehead Nebula,
Hot Jupiter,
Hot spring,
Household air pollution,
HRP-4C,
HR 8799,
HR 8799 c,
HR 8799 e,
HR 8832,
Hualianceratops,
Hubble Extreme Deep Field,
Hubble's law,
Hubble sequence,
Hubble Space Telescope,
Hubble Ultra-Deep Field,
Human,
Human–animal communication,
Human–animal hybrid,
Human body weight,
Human cloning,
Humane Inc.,
Human evolution,
Human evolutionary genetics,
Human genetic variation,
Human genome,
Human Genome Project,
Human germline engineering,
Human impact on the environment,
Human microbiome,
Human microbiota,
Human migration,
Human mission to Mars,
Human skeletal changes due to bipedalism,
Human virome,
Hunter-gatherer,
Hunter syndrome,
Huronian glaciation,
Hyaluronan,
Hydaspis Chaos,
Hydraotes Chaos,
Hydra Cluster,
Hydrogenosome,
Hydrothermal vent,
Hydraulic fracturing,
Hydraulic fracturing in the United States,
Hyolitha,
Hyperion (moon),
Hypertriglyceridemia,
Hypogonadism,
Hypothetical astronomical object,
Hypoxanthine,
Iani Chaos,
Iapetus (moon),
Iapygia quadrangle,
Iatrogenesis,
IAU definition of planet,
IAU Working Group on Star Names,
Ibuprofen,
Ice age,
IceCube Neutrino Observatory,
Ice giant,
Ice Lake (microarchitecture),
Ice planet,
IERS Reference Meridian,
Ikaria wariootia,
Ileret,
Ilmenite,
IM-1,
Immunity (medical),
Impact event,
Impact events on Jupiter,
Impactite,
Impact of health on intelligence,
Index case,
Indian elephant,
Indoor air quality,
Industrial Revolution,
Infinity,
Inflation (cosmology),
Inflationary epoch,
Influenza
Information Age,
Infrared astronomy,
Infrared spectroscopy,
Inspiration4,
Inspiration Mars Foundation,
Instanton,
Intel,
Intel core,
Intelligence explosion,
Intel Management Engine,
Interbreeding between archaic and modern humans,
Intergalactic dust,
Intergalactic star,
Interglacial,
Intermediate-mass black hole,
Internal structure of the Moon,
International Agency for Research on Cancer,
International Cometary Explorer,
ICAMSR,
International Institute for Species Exploration,
International Physicians for the Prevention of Nuclear War,
International Scientific Optical Network,
International Space Station,
International Year of Light,
Internet access,
Internet censorship,
Internet service provider,
Interplanetary dust cloud,
Interplanetary medium,
Interplanetary contamination,
Interplanetary spaceflight,
Interstellar comet,
Interstellar ice,
Interstellar medium,
Interstellar object,
Interstellar probe,
Interstellar travel,
Intertidal zone,
Intracluster light,
Introduced species,
Introduction to evolution,
Intuitive Machines,
Intuitive Machines Nova-C,
Inuit,
Inuit diet,
Investigations into the origin of COVID-19,
In vitro fertilisation,
Io (moon),
Ionosphere,
Ipilimumab,
IRAS,
IRC 0218 lens,
Iridium,
Iron Age,
Isidis Planitia,
Island of Stability,
Ismenius Lacus quadrangle,
Isotopes of argon,
ISS year long mission,
Ister Chaos,
I2P,
IXS Enterprise,
I Zwicky 18
Jack Hills,
JADES-GS-z14-0,
JADES-GS-z13-0,
Jaekelopterus,
Jake Matijevic (rock),
James Clerk Maxwell Telescope,
James Watson,
James E. Webb,
James Webb Space Telescope,
Jaron Lanier,
Java Man,
Jean-Pierre Sauvage,
Jeewanu,
Jennifer Doudna,
Jill Tarter,
Jim Peebles,
Jocelyn Bell Burnell,
Joel Garreau,
John B. Goodenough,
John D. Hawks,
John Eccles,
John von Neumann,
Jose Baselga,
Joseph J. Kinyoun,
Journey to Enceladus and Titan,
JPL Mars Helicopter Scout,
J. Robert Oppenheimer,
Julie Holland,
JunoCam,
Juno (spacecraft),
Jupiter,
Jupiter Icy Moons Explorer,
Jupiter mass,
Juramaia,
Kadanuumuu,
KAGRA,
Kamuysaurus,
Kapteyn b,
Kardashev scale,
Karen Uhlenbeck,
Karoo Ice Age,
Kaspersky Lab,
Kazimierz Kordylewski,
Kefauver Harris Amendment,
KELT-9b,
Kenneth Arnold UFO sighting,
Kenorland,
Kenyanthropus,
Kenyapithecus,
Kepler-7b,
Kepler-11,
Kepler-20,
Kepler-20e,
Kepler-20f,
Kepler-22b,
Kepler-37b,
Kepler-62,
Kepler-62b,
Kepler-62c,
Kepler-62d,
Kepler-62e,
Kepler-62f,
Kepler-69b,
Kepler-80,
Kepler-86,
Kepler-90,
Kepler-90e,
Kepler-90f,
Kepler-90g,
Kepler-90h,
Kepler-90i,
Kepler 186f,
Kepler-421b,
Kepler-1625b,
Kepler-1625b I,
Kepler-1649c,
Kerguelen Plateau,
Ketorolac,
KIC 8462852,
Kilonova,
Kingdom (biology),
Kip Thorne,
Kirk Johnson (scientist),
Kiss,
Kizzmekia Corbett,
KOI-428b,
Kordylewski cloud
K2-18b,
K2-138,
K2-288Bb,
Kuiper belt,
Laetoli,
La Ferrassie 1,
Laika,
Lakes of Titan,
Lakes on Mars,
Lake Untersee,
Lake Vostok,
La Marquise,
Lambda-CDM model,
Lander (spacecraft),
Language,
Laniakea,
Lantian Man,
Lapedo child,
Large Binocular Telescope,
Large Hadron Collider,
Largest and heaviest animals,
Largest organisms,
Largest prehistoric animals,
LASIK,
Last Chance (Mars),
Late Heavy Bombardment,
Last universal ancestor,
Last universal common ancestor,
Laura Mersini-Houghton,
Laurasia,
LCROSS,
Lee Rogers Berger,
Lens flare,
Leonard Mlodinow,
Level of support for evolution,
LHS 475,
LHS 1140,
Lichen,
Licus Vallis,
Life Investigation For Enceladus,
Life on Mars,
Life on Titan,
Life on Venus
Ligeia Mare,
Light-emitting diode,
LightSail,
Lineage (genetic),
Lineage P.1,
Lincoln Near-Earth Asteroid Research,
Lingwulong,
Link (Mars),
Lisowicia,
List of Abell clusters,
List of animals displaying homosexual behavior,
List of animals that have been cloned,
List of artificial objects escaping from the Solar System,
List of artificial objects on Mars,
List of asteroid close approaches to Earth,
List of asteroid close approaches to Earth in 2013,
List of asteroid-discovering observatories,
List of astronomy acronyms,
List of battery sizes,
List of battery types,
List of bolides,
List of brightest natural objects in the sky,
List of catenae on Mars,
List of cigarette smoke carcinogens,
List of compounds with carbon number 20,
List of craters on Mars: A-G,
List of craters on Mars: H-N,
List of craters on Mars: O-Z,
List of craters on the Moon,
List of Deep Fields,
List of documentary films,
List of elephant species,
List of energy storage projects,
List of epidemics and pandemics,
List of exoplanet extremes,
List of exoplanets discovered using the Kepler spacecraft,
List of extrasolar planet extremes,
List of extraterrestrial dune fields,
List of extraterrestrial memorials,
List of fast radio bursts,
List of formulas in Riemannian geometry,
List of fossil primates,
List of fossil sites,
List of future astronomical events,
List of futurologists,
List of galaxies,
List of galaxy groups and clusters,
List of gamma-ray bursts,
List of geological features on Ceres,
List of geological features on Ganymede,
List of Goldilocks planets,
List of gravitationally rounded objects of the Solar System,
List of human evolution fossils,
List of hyperbolic comets,
List of hypothetical Solar System objects,
List of individual apes,
List of interstellar and circumstellar molecules,
List of interstellar radio messages,
List of largest cosmic structures,
List of largest lakes and seas in the Solar System,
List of life forms,
List of longest-living organisms ,
List of manned Mars mission plans in the 20th century,
List of Martian meteorites,
List of minerals,
List of minor planets,
List of minor planets named after people,
List of missions to Mars,
List of most massive black holes,
List of mountains on Mars,
List of mountains on Mars by height,
List of multiplanetary systems,
List of natural disasters in the United States,
List of nearest stars and brown dwarfs,
List of nearest terrestrial exoplanet candidates,
List of Nova episodes,
List of nuclear weapons tests,
List of observatory codes,
List of oldest stars,
List of particles,
List of plains on Mars,
List of potential habitable exoplanets,
List of proper names of stars,
List of proposed space observatories,
List of quadrangles on Ganymede,
List of quadrangles on Mars,
List of quasars,
List of rock formations,
List of rocks,
List of rocks on Mars,
List of rock types,
List of security hacking incidents,
List of solar storms,
List of Solar System objects by size,
List of space observatories,
List of space telescopes,
List of star extremes,
List of Star Wars planets and moons,
List of supernovae,
List of supernova remnants,
List of surface features of Mars seen by Opportunity,
List of surface features of Mars seen by Spirit,
List of tallest mountains in the Solar System,
List of timelines,
List of unsolved problems in chemistry,
List of unsolved problems in physics,
List of valles on Mars,
List of volcanic features on Io,
List of the most distant astronomical objects,
Lists of organisms by population,
Lists of small Solar System bodies,
Lithium-ion battery,
Lithotroph,
Little Foot,
L 98-59,
L 98-59 b,
Lobate debris apron,
Local Sheet,
Location of Earth,
Logarithmic timeline,
Lokiarchaeota,
Loki Patera,
Long Covid,
Longitudinal wave,
Loopholes in Bell test experiments,
Low-Frequency Array (LOFAR),
Lucas Lombriser,
Lucy (Australopithecus),
Lucy (spacecraft),
Luhman 16,
Luminous infrared galaxy,
Luminous intensity,
Lunae Palus quadrangle,
Lunar Atmosphere and Dust Environment Explorer,
Lunar Crater Radio Telescope,
Lunar distance (astronomy),
Lunar eclipse,
Lunar geologic timescale,
Lunar mare,
Lunar meteorite,
Lunar north pole,
Lunar south pole,
Lunar Reconnaissance Orbiter,
Lunar Roving Vehicle,
Lunar Terrain Vehicle,
Lyman-break galaxy,
Lyman limit,
Lyman series,
Lyme disease,
Lythronax,
Macaque,
Mackinac Island meteorite,
Macular hole,
Macrohistory,
Megascale engineering,
Magnetar,
Magnetohydrodynamics,
Magnetosphere of Jupiter,
Magnetospheric Multiscale Mission,
MAJORANA,
Mammal,
Mammoth,
Management of ulcerative colitis,
Managua meteorite,
Mangalyaan,
Manhattanhenge,
Manned mission to Mars,
Manned Orbiting Laboratory,
Map,
Mapping of Venus,
Marcel Grossmann,
Marcelo Gleiser,
March for Science,
March of Progress,
Mare Acidalium quadrangle,
Mare Australe quadrangle,
Mare Boreum quadrangle,
Mare Tyrrhenum quadrangle,
Marfa lights,
Margaritifer Sinus quadrangle,
Mariana Trench,
Marie Curie,
Marine mammals as food,
Mariner (crater),
Mark McInerney,
Mars aircraft,
Mars analog habitat,
Mars Analogue Research Station Program,
Mars Colonial Transporter,
Mars Desert Research Station,
Mars Direct,
Mars exploration mission by India,
Mars Exploration Rover,
MARS-500,
Mars general circulation model,
Mars Global Surveyor,
Mars Hand Lens Imager,
Mars in culture,
Mars in fiction,
MARSIS,
Mars landing,
Mars monolith,
Mars Next Generation,
Mars One,
Mars Organic Molecule Analyzer,
Mars Pathfinder,
Marsquake,
Mars rover,
Mars sample return mission,
Mars to Stay,
Mars 2,
Mars 2022,
Martian,
Martian canal,
Martian meteorite,
Martian soil,
Martian surface,
Mary Lasker,
Mary Voytek,
Martin Karplus,
Mastcam-Z,
Masten Space Systems,
Masturbation,
Mathematical formulation of the Standard Model,
Matrioshka brain,
Matter,
Matt Harding,
Mauri_Valtonen,
MAVEN,
MAXI (ISS Experiment),
Max Planck Society,
May 18–21, 2013 tornado outbreak,
May 2024 solar storms,
McLaughlin (Martian crater),
Meade LX200,
Meadowcroft Rockshelter,
Meat,
MEDLI,
Medical genetics,
Medical treatment during spaceflight,
Mediterranean diet,
Medusavirus,
Megafauna,
Megalodon,
Meganthropus,
Melanesians,
Memnonia quadrangle,
Mercury in fiction,
Mercury (planet),
Meridiani Planum,
MERLIN,
Mersenne prime,
Mesoarchean,
Mesolithic,
Mesopithecus,
MESSENGER,
Messier 82,
Messier 87,
Metallic hydrogen,
Metallicity,
Meta Platforms,
Meteorite,
Meteorology,
Meteor shower,
Methane,
Methanotroph,
Methods of detecting extrasolar planets,
Methylcholanthrene,
Methylidyne radical,
Methyl isocyanate,
Methylobacterium,
Methylprednisolone,
Michael Houghton (virologist),
Michael Levitt,
Michael Tomasello,
Michael W. Deem,
Michel Mayor,
Michele Besso,
Microarchitectural Data Sampling,
Microbial dark matter,
Microbialite,
Microbially induced sedimentary structure,
Microbial mat,
Microcephalin,
Microlensing Observations in Astrophysics,
Micropaleontology,
Microscope,
Microsoft Reader,
Mifepristone,
Milankovitch cycles,
Milky Way,
Miller–Urey experiment,
Mimas (moon),
Mineral,
Mineralogy,
Mineraloid,
MiniBooNE,
Mini–Mental State Examination,
Minor planet,
Minor-planet moon,
Miro (software),
Mirovia,
Misinformation related to the 2019–20 coronavirus pandemic,
Missing link (human evolution),
Mitochondrial Eve,
Moderna,
Modern evolutionary synthesis,
Molecular astrophysics,
Molecular cloud,
Molecular machine,
Molecular marker,
Molecular paleontology,
Molecules in stars,
Molesworth (crater),
Mollweide projection,
Monkey,
Monk seal,
Monoceros,
Moon,
Moon rock,
Moons of Mars,
Moons of Pluto,
Moons of Uranus,
Moons of Saturn,
Moon tree,
Mosaic (genetics),
Mosasaur,
Most recent common ancestor,
Mother ship,
Mount Hopkins (Arizona),
Mount Sharp,
Mount Sharp (Mars),
M. Stanley Whittingham,
Mugearite,
Mugeary,
Multicellular organism,
Multi-messenger astronomy,
Multiregional origin of modern humans,
Multivitamin,
Municipal broadband,
Muon g-2,
Murchison meteorite,
Murray Gell-Mann,
Music therapy,
Mussel,
Myst,
N165,
Nagasaki Atomic Bomb Museum,
Nail (anatomy),
Nakalipithecus,
Naked mole rat,
Nakhla meteorite,
Nakhlite,
Names for the human species,
Nancy Roman,
Nanjing Man,
Nanoscopic scale,
Napoleon Chagnon,
Napster,
NASA Astrobiology Institute,
NASA-ESA Mars Sample Return,
NASA insignia,
NASA Mars Helicopter Scout,
Nathan Myhrvold,
National Air and Space Museum,
National Geospatial-Intelligence Agency,
Natural history,
Natural number,
Nature photography,
National Museum of Mathematics,
National Museum of Natural History,
Natural satellite,
Natural selection,
Nature,
Ndutu cranium,
Neanderthal,
Neanderthal behavior,
Neanderthal genome project,
Neanderthal Museum,
Neanderthals in Gibraltar,
Neanderthals in popular culture,
Neanderthals in Southwest Asia,
Near-Earth object,
Near-Earth Object Camera,
Near-Earth Object Surveillance Mission,
Near side of the Moon,
Nebraska Man,
Nebra sky disk,
Nebular hypothesis,
Negative mass,
Nena (supercontinent),
Neolithic,
Neon,
Neptune,
Nest-building in primates,
Neurologic music therapy,
Neuroscience and intelligence,
Neutrino,
Neutrino astronomy,
Neutrino detector,
Neutron activation analysis,
Neutron star,
Neutron star collision,
New Glenn,
New Horizons,
New Mexico Exoplanet Spectroscopic Survey Instrument,
NExScI,
Next-Generation Transit Survey,
Nexus for Exoplanet System Science,
NGC 188,
NGC 613,
NGC 1073,
NGC 1291,
NGC 1333,
NGC 2174,
NGC 2264,
NGC 2547,
NGC 2775,
NGC 2903,
NGC 4993,
NGC 5161,
NGC 6397,
NGC 6946,
NGC 7027,
Nibiru cataclysm,
Nick Bostrom,
Nicola Tesla,
Nicole Stott,
Nikon F,
99942 Apophis,
9,10-Dithioanthracene,
90377 Sedna,
96P/Machholz,
Nitrogen dioxide,
Nitrogen fixation,
Nivolumab,
Nix (moon),
N95 respirator,
Noachis quadrangle,
Noctis Labyrinthus,
Non-cellular life,
Noninvasive glucose monitor,
Non-standard cosmology,
Nonsteroidal anti-inflammatory drug,
Nook Color,
Norgay Montes,
North America,
North American Nanohertz Observatory for Gravitational Waves,
Northern marsupial mole,
North Polar Basin (Mars),
Nothing in Biology Makes Sense Except in the Light of Evolution,
Nova,
Nova remnant,
Novel coronavirus (2019-nCoV),
Northwest Africa 7034,
Novopangaea,
NSO Group,
Nuclear electromagnetic pulse,
Nuclear meltdown,
Nuclear transfer,
Nucleic acid analogue,
Nucleobases,
Nucleoside,
Nummular dermatitis,
NuSTAR,
NWA 7034,
100 Year Starship,
100 megametres,
101955 Bennu,
Obesity,
Objections to evolution,
Obligate anaerobe,
Observable universe,
Observations and explorations of Venus,
Occator (crater),
Ocean acidification,
Ocean planet,
Oceanus Procellarum,
Octavia E. Butler,
Oculudentavis,
Odysseus (crater),
Oileán Ruaidh (Mars rock),
OGLE-2005-BLG-390Lb,
OJ 287,
Olbers' paradox,
Old age,
Oldest dated rocks,
Olduvai Gorge,
Olivine,
Olympus Mons,
Omega-3 fatty acid,
Omura's whale,
1SWASP J140747.93-394542.6,
On the Origin of Species,
O/OREOS,
Opabiniidae,
Open-source ventilator
OPERA neutrino anomaly,
Ophiuchus Supercluster,
Oppenheimer (film),
Oppenheimer security hearing,
Opportunity rover,
Optical depth,
Optical microscope,
Optimal virulence,
Orangutan,
Orders of magnitude (length),
Orders of magnitude (radiation),
Ordovician–Silurian extinction events,
Oreopithecus,
Organisation for the Prohibition of Chemical Weapons,
Organism,
Organoarsenic chemistry,
Origin of avian flight,
Origin of birds,
Origin of language,
Origin of speech,
Origin of the Moon,
Origin of water on Earth,
Origins of Us,
Orion (spacecraft),
Orrorin,
Orthogenesis,
OSIRIS-REx,
Otavipithecus,
ʻOumuamua,
Ouranopithecus,
Ourasphaira giraldae,
Outburst flood,
Outer space,
Outflow channels,
Outline of Earth,
Outline of evolution,
Outline of life forms,
Outline of prehistoric technology,
Overview effect,
Oxia Palus quadrangle,
Oxygen,
Oxygen evolution,
P/2019 LD2 (ATLAS),
Paisley Caves,
Palaeospondylus,
Pale Blue Dot,
Pale Blue Dot (book),
Paleoanthropology,
Paleoceanography,
Paleoclimatology,
Paleogenetics,
Paleolithic,
Paleolithic diet,
Paleolithic lifestyle,
Paleontology,
Paleothermometer,
Pan-African Ocean,
Pandemic,
Pandemic prevention,
Pangaea,
Pangaea Ultima,
Pangolin,
Pannotia,
Pan-STARRS,
Panthalassa,
Parallax,
Páramo,
Paranthropus,
Paranthropus boisei,
Paranthropus robustus,
Paraphyly,
Paraquat,
Pareidolia,
Parker Solar Probe,
Paris Agreement,
Parker Solar Probe,
Parthenogenesis,
Partial discharge,
Participatory culture,
Particle physics,
Particle Physics Project Prioritization Panel,
Patagotitan,
Patient Protection and Affordable Care Act,
Paul Davies,
Paul W. Ewald,
Paul L. Modrich,
PDS 70,
PDS 110,
Pea galaxy,
Pegasus (spyware),
Peking Man,
Pelagornis,
Pelagornis sandersi,
Pelagornithidae,
Pembrolizumab,
Penghu 1,
Peopling of the Americas.
Percival Lowell,
Peregocetus,
Peregrine Mission One,
Periodic table,
Period-luminosity relation,
Perl language structure,
Perma.cc,
Perseus Cluster,
Perseus molecular cloud,
Perucetus,
Peștera cu Oase,
Peter J. Ratcliffe,
Peter Atkins,
Peter Higgs,
Pfizer-BioNTech COVID-19 vaccine,
Phaethontis quadrangle,
Phaeton (hypothetical planet),
Phanerozoic,
Phantom energy,
Pharmaceutical lobby,
Pharmaceutical marketing,
Pharmaceutical Research and Manufacturers of America,
PharmedOut,
Philae (spacecraft),
Philipp Lenard,
Philosophiæ Naturalis Principia Mathematica,
Philosophy of artificial intelligence,
Phil Zimmermann,
Phobos monolith,
Phobos (moon),
Phoenicis Lacus quadrangle,
Phosphorus pentoxide,
Photosensitizer,
Photodynamic therapy,
Photosynthesis,
Phylogenetics,
Phylogenetic tree,
Physical constant,
Physical cosmology,
Physical exercise,
Physics and Star Wars,
Physics beyond the Standard Model,
Pi,
Pi Day,
Pierolapithecus,
Piezophile,
Pilbara Craton,
Pinacosaurus,
Pinwheel Galaxy,
Pioneer 10,
Pioneer 11,
Pisces–Cetus Supercluster Complex,
Placebo,
Placentalia,
Placental mammals,
Planck's law,
Planck (spacecraft),
Planck time,
Planck units,
Plankton,
Planet,
Planetary nomenclature,
Planetary phase,
Planetary protection,
Planetary science,
Planetary system,
Planet formation,
Planetesimal,
Planet Hunters,
Planet Nine,
Planets beyond Neptune,
Planet V,
Plant,
Planum Australe,
Plate tectonics,
PLATINUM (cybercrime group),
PLATO,
Platypus,
Pleiades (supercomputer),
Pleistocene human diet,
Plesiadapis,
Plume (hydrodynamics),
Pluto,
Pluto Fast Flyby,
Pluto's heart,
Poincaré recurrence theorem,
Polar ice cap,
Polaris,
Polariton,
Polarization (waves),
Polar stratospheric cloud,
Poles of astronomical bodies,
Poliomyelitis,
Politicization of science,
Politics of global warming,
Polygene,
Polymer,
Polystyrene,
Pomeron,
Pongidae,
Pongo tapanuliensis,
POODLE,
Popular science,
Population bottleneck,
Potato spindle tuber viroid,
Potentially hazardous object,
Pot of Gold (Mars),
Praeanthropus,
Pragmatic clinical trial,
Prebiotic arsenic,
Prehistoric art,
Prehistoric bird,
Prehistoric technology,
Prehistory,
Premature greying of hair,
Pre-modern human migration,
Presolar grains,
Pretty Good Privacy,
Primate,
Primatomorpha,
Prime editing,
Prime meridian,
Prime meridian (Greenwich),
Primordial black hole,
Primordial soup,
Private spaceflight,
PRNP,
Proconsul nyanzae,
Prognathodon,
Project Lyra,
Project Orion (nuclear propulsion),
Project Phoenix (SETI),
Prokofiev (crater),
Prometheus (moon),
Proof of concept,
Proper names (astronomy),
Propionaldehyde,
Prostate cancer,
Prostate cancer screening,
Prostate-specific antigen,
Prostitution among animals,
Proterozoic,
Protocell,
Proton-to-electron mass ratio,
Protoplanetary disk,
Protungulatum donnae,
Proxima Centauri,
Przybylski's Star,
Pseudocrater,
Pseudoliparis (fish),
Pseudo-panspermia,
Pseudomonas aeruginosa,
PSR B1509-58,
PSR B1919+21,
Psyche (spacecraft),
Psychedelia,
Psychedelic drug,
Psychedelic era,
Psychedelic therapy,
Pterosaur,
Pterygotidae,
Publicly funded health care,
Pulsar,
Puppis A,
Purine,
Pyrimidine,
Pyroxenes,
Quadratic equation,
Quantum biology,
Quantum computer,
Quantum foam,
Quantum gravity,
Quantum entanglement,
Quantum nonlocality,
Quantum supremacy,
Quantum teleportation,
Quark-nova,
Quark star,
Quasar,
Quasiparticle,
Quaternary glaciation,
Radio clock,
Radioresistance,
Radio signal from HD 164595,
Rain,
Rainer Weiss,
Ralph Asher Alpher,
Rapid DNA,
Rare earth hypothesis,
Rasmus Nielsen (biologist),
Raymond Dart,
Recent African origin of modern humans,
Red Bull Stratos,
Red Deer Cave people,
Red dwarf,
Red Fife wheat,
Red meat,
Redshift,
Regin (malware),
Regulation of artificial intelligence,
Regulation of hydraulic fracturing,
Reinhard Genzel,
Reionization,
Relative abundance,
Religious views of Albert Einstein,
Remote Desktop Protocol,
Remote Desktop Services,
Retinal regeneration,
Retroreflector,
Reverberation mapping,
Reuyl (crater),
Rhea (moon),
Rheasilvia,
Rhesus macaque,
Rho factor,
Rho Ophiuchi cloud complex,
Richard Dawkins,
Richard E. Byrd,
Rick Doblin,
Rick Potts,
Right ascension,
RIMFAX,
Rings of Neptune,
Rings of Saturn,
Ring system,
Rising Star Cave,
RNA world,
Robert Ardrey,
Robert Hazen,
Robert Koch,
Robert H. McNaught,
Robert P. Sharp,
Robert Sharp (crater),
Robert Weinberg,
Robotic arm,
Robotic spacecraft,
Robots exclusion standard,
Rock art,
Rock cycle,
Rock (geology),
Rocky Mountains,
Rockwell X-30,
Rodinia,
Roger Penrose,
Rogue planet,
Romance (love),
Ronald Mallett,
R136a1,
Rosetta (spacecraft),
Ross 128,
Ross 128 b,
Rotifer,
Rover Environmental Monitoring Station,
Rover (space exploration),
R. Paul Butler,
Rubble pile,
Rudapithecus,
Russell Merle Genet,
Safe sex
Saccorhytus,
Sagan standard,
Sagittarius A*,
Saldanha man,
Sally Ride,
Sample Analysis at Mars,
Sample return mission,
Samsung Galaxy S20,
Sangamo Therapeutics,
Sarah (chimpanzee),
Sara Seager,
SARS-CoV-2 Omicron variant,
Satellite galaxies of the Milky Way,
Saturn,
Saturn's hexagon,
Satyendra Nath Bose,
Savannasaurus,
Savannah (cat),
Scalloped topography,
Scarp retreat,
Schräge Musik,
Schrödinger's cat,
Science,
Scientific information from the Mars Exploration Rover mission,
Scientific opinion on climate change,
Scientific research on the International Space Station,
Scopes Trial,
Scott Kelly (astronaut),
Sclavia Craton,
SDSS J090745.0+024507,
SDSSJ1240+6710,
Search for extraterrestrial intelligence,
Seawall,
Seawall Campground,
Sediment,
Segue 2,
Seismometer,
Selam (Australopithecus),
Selenography,
Self-replication,
Sentience,
Sentinel (space telescope),
Serial passage,
Seth Shostak,
SETIcon,
SETI Institute,
Settlement of the Americas,
Severe acute respiratory syndrome-related coronavirus,
Severe acute respiratory syndrome coronavirus,
Severe acute respiratory syndrome coronavirus 2,
Sex,
Sextans,
Sexual dysfunction,
Sexual reproduction,
Sexual selection,
Sexual selection in human evolution,
Sexual selection in mammals,
SGR 0501+4516,
Shape of the universe,
SHARAD,
Shellshock (software bug),
Shelter Island meteorite,
Shepherd moon,
Shergotty meteorite,
Shock waves in astrophysics,
Siding Spring Observatory,
Shield volcano,
Siamraptor,
Siddhartha_Mukherjee,
Sidney Farber,
Sievert,
Signs Of LIfe Detector,
Silicon Valley,
Silurian,
Simiolus,
SIMP J013656.5+093347,
Simulated reality,
Simulation,
Simulation hypothesis,
Sinkhole,
Sinus Sabaeus quadrangle,
Siphonophorae,
Sir David's long-beaked echidna,
Sivapithecus,
Six degrees of separation,
16 Psyche,
162173 Ryugu,
(163899) 2003 SD220,
67P/Churyumov–Gerasimenko,
Sjur Refsdal,
Skhul and Qafzeh hominids,
Skin,
Sloan Great Wall,
SMACS J0723.3–7327,
Smallest organisms,
Small Explorer program,
Smithsonian Institution,
SMSS_J031300.36-670839.3,
Snowball Earth,
SN 1987A,
SN Refsdal,
Socialized medicine,
Social network,
Solar and Heliospheric Observatory,
Solar conjunction,
Solar Dynamics Observatory,
Solar eclipse,
Solar eclipse of April 8, 2024,
Solar eclipses on Mars,
Solar flare,
Solar gravitational lens,
Solar Impulse,
Solar observatory,
Solar storm,
Solar storm of 1859,
Solar System,
Solis Lacus,
Solo Man,
Sonic black hole,
Sonification,
Sony Pictures Entertainment hack,
SOPA,
Southern California faults,
Southern Crab Nebula,
South Pacific Gyre,
South Pole,
Soviet space dogs,
Soyuz-FG,
Soyuz MS-10,
Spacecraft,
Spaceflight,
Spaceguard,
Space Interferometry Mission,
Space Launch System,
Spaceplane,
Space probe,
Space selfie,
SpaceShipTwo,
Space suit,
Space Telescope Imaging Spectrograph,
Space-time crystal,
Space tourism,
Space Variable Objects Monitor,
SpaceX,
SpaceX Dragon,
SpaceX Starship,
SpaceX Starship (spacecraft),
Spanish flu,
Special relativity,
Speciation,
Species,
Specimens of Archaeopteryx,
Speculative execution,
Speculative Store Bypass,
Speed of gravity,
Speed of Light,
SPHEREx,
Spherical aberration,
Spherical polyhedron ,
Spinoloricus Cinzia,
Spinosaurus,
Spiral galaxy,
Spirit rover,
Spontaneous generation,
Spores,
Sputnik Planum,
Sputnik 2,
Subsatellite,
SS 433,
SRGAP2,
SRGAP2C,
Standard Model,
Star cluster,
Star formation,
Starlink (satellite constellation),
Starship,
Stars named after people,
Star system,
Steinheim skull,
Stellar black hole,
Stellar chemistry,
Stellar classification,
Stellar collision,
Stellar designations and names,
Stellar kinematics,
Stellar population,
Stephen Hawking,
Stephen Quake,
Sterile neutrino,
Sterol,
Steve (atmospheric phenomenon),
Steve Jobs,
Steven Mithen,
Steven S. Vogt,
Stickney (crater),
Stone Age,
Stratospheric Observatory for Infrared Astronomy,
Stromatolite,
Stromatoveris,
Structure formation,
Styrene,
Styx (moon),
Subatomic particle,
Sub-Earth,
Submerged continent,
Subsatellite,
Substellar object,
Subtitle (captioning),
Sumatran orangutan,
Summation,
Sun,
Sundman (crater),
Sungrazing comet,
Sunlight,
Sunspot,
SuperCam,
Supercluster,
Supercontinent,
Super-Earth,
Supergene,
Supergravity,
Superhabitable planet,
Superionic water,
Superluminous supernova,
Supermassive black hole,
Supermoon,
Supernova,
Supernova Cosmology Project,
Supernova nucleosynthesis,
Supernova remnant,
Superocean,
Super-resolution microscopy,
SUPER (software),
Supersymmetry,
Susan Love,
Susan P. Crawford,
Suspended animation,
Swift (Deimian crater),
Swift Gamma-Ray Burst Mission,
Swine influenza,
Syncytium,
Syngenta,
Synthetic aperture radar,
Synthetic biology,
Synthetic genome,
Synthetic genomics,
Syrtis Major quadrangle,
Syzygy (astronomy),
Table of historic and prehistoric climate indicators,
Tail,
Talking About Life,
Tanpopo (mission),
Tanystropheus,
Tanzania,
Taphonomy,
Tarantula Nebula,
Tardigrade,
Targeted therapy,
Tau Boötis,
Tautavel Man,
Taxonomy (biology),
T Coronae Borealis,
Technological singularity,
Technosignature,
Ted Kaptchuk,
Teegarden's Star,
Telecommunication,
Telepresence,
Tellurium,
Tephrochronology,
Terra Cimmeria,
Terraforming of Mars,
Terrain softening (Mars),
Terra (satellite),
Terrestrial animal,
Terrestrial Planet Finder,
Terry Lovejoy,
Testosterone,
Tethys (moon),
Tetra (monkey),
Tetraquark,
Thanu Padmanabhan,
Tharsis Montes,
Tharsis quadrangle,
Thaumasia quadrangle,
The Berlin Patient,
The Blue Marble,
The Complete Works of Charles Darwin Online,
The Day the Earth Smiled,
The Descent of Man, and Selection in Relation to Sex,
The Emperor of All Maladies,
The Evolution of Beauty,
The Galileo Project,
Theia (planet),
The Incredible Human Journey,
Theistic evolution,
Theobold Smith,
Theory of Everything,
Theory of mind,
Thermal Emission Imaging System,
Thermogalvanic cell,
Theropoda,
Thesis,
The Theory of Everything (2014 film),
Thin disk,
31 Euphrosyne,
Tholin,
Thomas Cech,
Thomas Henry Huxley,
Three-age system,
Tiangong-1,
Tianwen-1,
Tibor Gánti,
Tick,
Tick-borne disease,
Tidal disruption event,
Tidal force,
Tidal locking,
Tidally detached exomoon,
Time complexity,
Timekeeping on Mars,
Timeline,
Timeline of Cassini–Huygens,
Timeline of chemical element discoveries,
Timeline of computer viruses and worms,
Timeline of cosmic microwave background astronomy,
Timeline of evolutionary history of life,
Timeline of first images of Earth from space,
Timeline of glaciation,
Timeline of historic inventions,
Timeline of human prehistory,
Timeline of human evolution,
Timeline of knowledge about galaxies, clusters of galaxies, and large-scale structure,
Timeline of natural history,
Timeline of Rosetta spacecraft,
Timeline of Solar System exploration,
Timeline of the COVID-19 pandemic,
Timeline of the far future,
Timeline of the formation of the Universe,
Timeline of the 2019–20 coronavirus pandemic in March 2020,
Timeline of the 2019–20 coronavirus pandemic in November 2019 – January 2020,
Timeline of the 2020 coronavirus pandemic in the United States,
Timelines of world history,
Timothy Ferris,
Timothy Leary,
Time perception,
Time travel,
Tinkertoy,
Tissint meteorite,
Titan Mare Explorer,
Titan (moon),
Titanis,
TLBleed,
Todd Golub,
TOI-1452 b,
Tomas Lindahl,
Topography of the Moon,
Torquetum,
Trace fossil,
Trackway,
Tractus Catena,
Traditional medicine,
Transfer RNA,
Transgenerational epigenetic inheritance,
Transient astronomical event,
Transient execution CPU vulnerabilities,
Transiting Exoplanet Survey Satellite,
Transitional fossil,
Transit of Deimos from Mars,
Transit of Phobos from Mars,
Transmission of COVID-19,
TRAPPIST-1,
TRAPPIST-1b,
TRAPPIST-1c,
TRAPPIST-1d,
TRAPPIST-1e,
TRAPPIST-1f,
TRAPPIST-1g,
TRAPPIST-1h,
Treatment of cancer,
Tree of life (biology),
Treptichnus pedum,
Triangulum Galaxy,
Tridymite,
Triglyceride,
Triton (moon),
Trojan (astronomy),
Tuchlin, Warmian-Masurian Voivodeship,
Tullimonstrum,
Tunable laser,
Tunguska event,
Turkana Boy,
Twindemic,
2,6-diaminopurine,
(120216) 2004 EW95,
2060 Chiron,
25143 Itokawa,
101955 Bennu,
274301 Misplaced Pages,
(137108) 1999 AN10,
(285263) 1998 QE2,
(308635) 2005 YU55,
(357439) 2004 BL86,
12P/Pons–Brooks,
29P/Schwassmann–Wachmann,
252P/LINEAR,
2001 Mars Odyssey,
2003 YN107,
2005 YU55,
2008 TC3,
2009 FD,
2010 TK7,
2011 MD,
2014 HQ124,
2014 MU69,
2014 RC,
2014 UR116,
2014 OO6,
2015 RR245,
2015 TB145,
2015 TG387,
2017 YE5,
2018 LF16,
2018 VG18,
2019 OK,
2011 in science,
2012 in science,
2012 in spaceflight,
2013 in science,
2013 Moore tornado,
2014 in science,
2014 United States Ebola virus outbreak,
2014 Virgin Galactic crash,
2015 in paleontology,
2015 United Nations Climate Change Conference,
2016 in science,
2016 in spaceflight,
2017 in science,
2018 in mammal paleontology,
2018 in science,
2019 in archosaur paleontology,
2019 in science.
2020 BX12,
2020 coronavirus pandemic in North America,
2020 coronavirus pandemic in the United States,
2020 in science,
2019–20 coronavirus pandemic,
2019–20 coronavirus pandemic in Hubei,
2019–20 coronavirus pandemic in mainland China,
2019–20 Wuhan coronavirus outbreak,
2020 CD3,
2020 QG,
2020 XL5,
2020 in mammal paleontology,
2021 in arthropod paleontology,
2021 in paleontology,
TYC 8998-760-1,
Tycho Brahe,
Tyler Lyson,
Type Ia supernova,
Tyrannosaurus,
UDFj-39546284,
Ugrunaaluk kuukpikensis,
UHZ1,
ULAS J1120+0641,
ULT freezer,
Ultimate fate of the universe,
Ultra-Fast Flash Observatory Pathfinder,
Ultra High Definition Video,
Ultraluminous X-ray source,
Ultraviolet astronomy,
Umov effect,
Unicellular organism,
Unidentified Aerial Phenomena Task Force,
Unidentified Flying Object,
Unmanned aerial vehicle,
Unmanned NASA missions,
Ununseptium,
Universal Darwinism,
Universal history,
Universe,
University of the Witwatersrand,
Ur (continent),
Urbilaterian,
Urmetazoan,
Urvara (crater),
US 708,
USS Princeton aerial object incident,
Utaurora,
Utility location,
Uwingu,
UY Scuti,
V838 Monocerotis,
Vaalbara,
Vaccine,
Vaccine efficacy,
Valles Marineris,
Valley networks (Mars),
Varda Space Industries,
Vandi Verma,
Vasily Lanovoy,
Venera,
Venera 13,
Ventilator,
Venus,
Vera C. Rubin Observatory,
Vera Rubin,
VERITAS (spacecraft),
Vertebra,
Vertex Pharmaceuticals,
Very Large Telescope,
Viking biological experiments,
Viking program,
Vincent T. DeVita,
Viral evolution,
Virgin Galactic,
Virgo Cluster,
Viroid,
Virtual Planetary Laboratory,
Virulence,
Virus,
Virus classification,
Visible-light astronomy,
Visual acuity,
Visual impairment,
Visual impairment due to intracranial pressure,
Visual system,
VOC-202012/01,
Void (astronomy),
Volcanism on Io,
Volcanism on Mars,
Voltaire (crater),
Voyager 1,
Voyager 2,
Voyager Golden Record,
Voyager program,
VSS Enterprise,
VSV-EBOV,
VU University Medical Center,
Walter Frederick Gale,
WannaCry ransomware attack,
Warm–hot intergalactic medium,
Warp drive,
WASP-6b,
WASP-12,
WASP-12b,
WASP-17b,
WASP-19b,
WASP-76b,
Water,
Water pipit,
Water vapor,
Wave,
Wave-Particle Duality,
WD 1145+017,
WD 1145+017 b,
Weapons of mass destruction,
Weather,
Webb's First Deep Field,
Web of Science,
Weightlessness,
Weight loss,
Western Australia,
Wide-field Infrared Survey Explorer,
Wide Field Infrared Survey Telescope,
Wigner's friend,
William Kaelin Jr.,
Wilkinson Microwave Anisotropy Probe,
Misplaced Pages,
Windows 7,
Windows 8,
Windows 10,
Windows 2000,
Windows Server 2003,
Windows Server 2008,
Windows Server 2008 R2,
Windows Vista,
Windows XP,
Wind speed,
Wind wave,
Wingspan,
WISE 0855–0714,
WISE J085510.83-071442.5,
WISE J224607.57-052635.0,
Wolf 1061c,
World Health Organization,
Wow! signal,
Wulong bohaiensis,
Wyoming (schooner),
X and Y bosons,
Xanthine,
Xenophyophore,
Xenobiology,
Xeno nucleic acid,
Xiagou Formation,
X-ray astronomy,
X-ray crystallography,
Y-chromosomal Adam,
Yellowknife Bay, Mars,
Yellowstone National Park,
Yeti,
Yi qi (dinosaur),
Yogi Rock,
Yuanmou Man,
Yutu-2,
Zadeni (crater),
Z-DNA,
Zealandia (continent),
Zeresenay Alemseged,
Zethrene,
ZIM (file format),
Zinc finger,
Zircon,
ZMapp,
Zone of Avoidance,
Zooniverse,
Zoopharmacognosy,
Zwicky Transient Facility,
Z(3900), |
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180 Mya
200 Mya
240 Mya
3500 Mya
4280 Mya
4410 Mya
4540 Mya
Solar System
Gould Belt
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Milky Way
Local Group
Virgo SCl
Laniakea SCl
Our Universe
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Perseverance rover & Ingenuity helicopter => 1396 sols (1434 days) (3 years, 339 days) (landed February 18, 2021).
WIKIPEDIA:REFERENCE DESKTopics of 1000 randomly sampled articles (2016).
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