{"dataset":{"slug":"spaceflight-timeline-events","title":"Spaceflight Timeline Events","description":"Dated landmark events in the history of spaceflight, from Sputnik to Artemis.","version":"1.0.0","lastGenerated":"2026-06-29","license":"CC BY-SA 4.0","entityCount":42,"sources":["nasa","esa"]},"entities":[{"id":"timeline_event:apollo-11-first-humans-on-the-moon","name":"Apollo 11 Lands the First Humans on the Moon","type":"timeline_event","domain":"science","description":"Neil Armstrong and Buzz Aldrin walk on the Moon while Michael Collins orbits above — the first humans to set foot on another world.","entryPath":"/timeline/apollo-11-first-humans-on-the-moon"},{"id":"timeline_event:apollo-13-successful-failure","name":"Apollo 13: A Successful Failure","type":"timeline_event","domain":"science","description":"An oxygen tank explodes on the way to the Moon; the crew and mission control improvise a safe return, turning a near-disaster into a triumph of ingenuity.","entryPath":"/timeline/apollo-13-successful-failure"},{"id":"timeline_event:apollo-17-last-crewed-moon-landing","name":"Apollo 17, the Last Crewed Moon Landing","type":"timeline_event","domain":"science","description":"The final Apollo landing; Eugene Cernan is, to date, the last person to walk on the Moon, and geologist Harrison Schmitt the only scientist to do so.","entryPath":"/timeline/apollo-17-last-crewed-moon-landing"},{"id":"timeline_event:apollo-8-first-crewed-lunar-orbit","name":"Apollo 8 Orbits the Moon","type":"timeline_event","domain":"science","description":"The crew of Apollo 8 become the first humans to leave Earth orbit and circle the Moon, returning the famous Earthrise photograph.","entryPath":"/timeline/apollo-8-first-crewed-lunar-orbit"},{"id":"timeline_event:artemis-i-around-the-moon","name":"Artemis I Flies Around the Moon","type":"timeline_event","domain":"science","description":"The uncrewed Artemis I sends the Orion spacecraft around the Moon and back on the first flight of NASA's program to return humans to the lunar surface.","entryPath":"/timeline/artemis-i-around-the-moon"},{"id":"timeline_event:cassini-arrives-at-saturn","name":"Cassini Arrives at Saturn","type":"timeline_event","domain":"science","description":"Cassini enters orbit around Saturn and later delivers the Huygens probe to Titan, beginning thirteen years of discovery in the Saturn system.","entryPath":"/timeline/cassini-arrives-at-saturn"},{"id":"timeline_event:chandrayaan-3-lands-near-the-lunar-south-pole","name":"Chandrayaan-3 Lands Near the Lunar South Pole","type":"timeline_event","domain":"science","description":"India's Chandrayaan-3 makes a soft landing near the Moon's south pole, making India the fourth nation to land on the Moon and the first near the south-polar region.","entryPath":"/timeline/chandrayaan-3-lands-near-the-lunar-south-pole"},{"id":"timeline_event:curiosity-lands-on-mars","name":"Curiosity Lands on Mars","type":"timeline_event","domain":"science","description":"The car-sized Curiosity rover lands in Gale Crater using the daring sky-crane manoeuvre, beginning a long study of Mars's ancient habitability.","entryPath":"/timeline/curiosity-lands-on-mars"},{"id":"timeline_event:dart-first-planetary-defense-test","name":"DART Alters an Asteroid's Orbit","type":"timeline_event","domain":"science","description":"NASA's DART deliberately crashes into the moonlet Dimorphos and measurably changes its orbit — the first demonstration that humanity could deflect an asteroid.","entryPath":"/timeline/dart-first-planetary-defense-test"},{"id":"timeline_event:deep-impact-strikes-tempel-1","name":"Deep Impact Strikes Comet Tempel 1","type":"timeline_event","domain":"science","description":"Deep Impact fires a projectile into comet Tempel 1, excavating fresh material to reveal what a comet is made of.","entryPath":"/timeline/deep-impact-strikes-tempel-1"},{"id":"timeline_event:explorer-1-and-the-van-allen-belts","name":"Explorer 1 and the Van Allen Belts","type":"timeline_event","domain":"science","description":"The first successful United States satellite, Explorer 1, carries a Geiger counter that discovers the belts of trapped radiation now named for James Van Allen.","entryPath":"/timeline/explorer-1-and-the-van-allen-belts"},{"id":"timeline_event:first-commercial-crew-to-the-iss","name":"First Commercial Crew to the ISS","type":"timeline_event","domain":"science","description":"SpaceX's Crew Dragon Demo-2 carries astronauts to the ISS, the first crewed orbital flight launched by a private company and the return of crewed launch to American soil.","entryPath":"/timeline/first-commercial-crew-to-the-iss"},{"id":"timeline_event:gagarin-first-human-in-space","name":"Gagarin Becomes the First Human in Space","type":"timeline_event","domain":"science","description":"Yuri Gagarin orbits the Earth once aboard Vostok 1, becoming the first human in space and the first to orbit the planet.","entryPath":"/timeline/gagarin-first-human-in-space"},{"id":"timeline_event:galileo-arrives-at-jupiter","name":"Galileo Arrives at Jupiter","type":"timeline_event","domain":"science","description":"Galileo becomes the first spacecraft to orbit Jupiter and drops a probe into its atmosphere, beginning years of study of the giant planet and its moons.","entryPath":"/timeline/galileo-arrives-at-jupiter"},{"id":"timeline_event:glenn-first-american-to-orbit","name":"Glenn Becomes the First American to Orbit the Earth","type":"timeline_event","domain":"science","description":"John Glenn circles the Earth three times aboard Friendship 7, the first American to orbit the planet.","entryPath":"/timeline/glenn-first-american-to-orbit"},{"id":"timeline_event:hayabusa-samples-itokawa","name":"Hayabusa Samples Asteroid Itokawa","type":"timeline_event","domain":"science","description":"Japan's Hayabusa touches down on the asteroid Itokawa; despite great difficulties it returns to Earth in 2010 with the first samples ever collected from an asteroid.","entryPath":"/timeline/hayabusa-samples-itokawa"},{"id":"timeline_event:ingenuity-first-powered-flight-on-mars","name":"Ingenuity Makes the First Powered Flight on Another World","type":"timeline_event","domain":"science","description":"The tiny Ingenuity helicopter, carried by the Perseverance rover, lifts off from the surface of Mars — the first powered, controlled flight on another planet.","entryPath":"/timeline/ingenuity-first-powered-flight-on-mars"},{"id":"timeline_event:launch-of-sputnik-1","name":"Launch of Sputnik 1","type":"timeline_event","domain":"science","description":"The Soviet Union launches Sputnik 1, the first artificial satellite, opening the space age and stunning the world with its steady radio beep from orbit.","entryPath":"/timeline/launch-of-sputnik-1"},{"id":"timeline_event:launch-of-the-hubble-space-telescope","name":"Launch of the Hubble Space Telescope","type":"timeline_event","domain":"science","description":"The Space Shuttle deploys the Hubble Space Telescope; after a famous repair mission corrected its mirror, Hubble transformed astronomy and public views of the cosmos.","entryPath":"/timeline/launch-of-the-hubble-space-telescope"},{"id":"timeline_event:launch-of-the-james-webb-space-telescope","name":"Launch of the James Webb Space Telescope","type":"timeline_event","domain":"science","description":"The James Webb Space Telescope launches and unfolds a giant segmented mirror a million miles from Earth, opening the infrared universe and the era of studying the first galaxies.","entryPath":"/timeline/launch-of-the-james-webb-space-telescope"},{"id":"timeline_event:launch-of-the-voyagers","name":"Launch of the 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Moon","type":"timeline_event","domain":"science","description":"The Soviet Luna 9 makes the first soft landing on the Moon and returns the first pictures from its surface.","entryPath":"/timeline/luna-9-first-soft-landing-on-the-moon"},{"id":"timeline_event:mars-pathfinder-and-sojourner","name":"Mars Pathfinder and Sojourner","type":"timeline_event","domain":"science","description":"Mars Pathfinder lands using airbags and deploys Sojourner, the first successful rover on another planet, proving a low-cost path back to the Martian surface.","entryPath":"/timeline/mars-pathfinder-and-sojourner"},{"id":"timeline_event:new-horizons-flies-past-pluto","name":"New Horizons Flies Past Pluto","type":"timeline_event","domain":"science","description":"After a nine-year journey, New Horizons sweeps past Pluto, revealing an astonishingly varied world and completing the first reconnaissance of the classical Solar System.","entryPath":"/timeline/new-horizons-flies-past-pluto"},{"id":"timeline_event:osiris-rex-and-hayabusa2-sample-asteroids","name":"OSIRIS-REx and Hayabusa2 Sample Asteroids","type":"timeline_event","domain":"science","description":"Within months of each other, Japan's Hayabusa2 delivers samples of asteroid Ryugu to Earth and NASA's OSIRIS-REx collects a sample from asteroid Bennu, opening a new age of asteroid sample return.","entryPath":"/timeline/osiris-rex-and-hayabusa2-sample-asteroids"},{"id":"timeline_event:rosetta-and-philae-at-a-comet","name":"Rosetta and Philae Reach a Comet","type":"timeline_event","domain":"science","description":"ESA's Rosetta becomes the first spacecraft to orbit a comet and, with its Philae lander, the first to soft-land on one — comet Churyumov–Gerasimenko.","entryPath":"/timeline/rosetta-and-philae-at-a-comet"},{"id":"timeline_event:sally-ride-first-american-woman-in-space","name":"Sally Ride, First American Woman in 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safety.","entryPath":"/timeline/challenger-disaster"},{"id":"timeline_event:columbia-disaster","name":"The Columbia Disaster","type":"timeline_event","domain":"science","description":"The Space Shuttle Columbia breaks apart during re-entry, killing all seven crew and leading to the decision to retire the shuttle fleet.","entryPath":"/timeline/columbia-disaster"},{"id":"timeline_event:final-space-shuttle-flight","name":"The Final Space Shuttle Flight","type":"timeline_event","domain":"science","description":"Atlantis flies STS-135, the 135th and final Space Shuttle mission, ending thirty years of shuttle flight and beginning a gap in American crewed launch.","entryPath":"/timeline/final-space-shuttle-flight"},{"id":"timeline_event:first-module-of-the-iss","name":"The First Module of the ISS","type":"timeline_event","domain":"science","description":"The Zarya module launches, the first piece of the International Space Station — the largest structure ever assembled in space, built by fifteen nations.","entryPath":"/timeline/first-module-of-the-iss"},{"id":"timeline_event:first-space-shuttle-flight","name":"The First Space Shuttle Flight","type":"timeline_event","domain":"science","description":"Columbia lifts off on STS-1, the first flight of the Space Shuttle — the first reusable crewed spacecraft, twenty years to the day after Gagarin's flight.","entryPath":"/timeline/first-space-shuttle-flight"},{"id":"timeline_event:venera-7-first-landing-on-another-planet","name":"Venera 7 Lands on Venus","type":"timeline_event","domain":"science","description":"The Soviet Venera 7 transmits from the surface of Venus, the first successful landing on another planet.","entryPath":"/timeline/venera-7-first-landing-on-another-planet"},{"id":"timeline_event:viking-1-first-successful-mars-landing","name":"Viking 1 Lands on Mars","type":"timeline_event","domain":"science","description":"Viking 1 becomes the first spacecraft to operate successfully on the surface of Mars, returning the first pictures from the Martian ground and searching for life.","entryPath":"/timeline/viking-1-first-successful-mars-landing"},{"id":"timeline_event:voyager-1-enters-interstellar-space","name":"Voyager 1 Enters Interstellar Space","type":"timeline_event","domain":"science","description":"Voyager 1 crosses the heliopause and becomes the first human-made object to enter interstellar space, still returning data from beyond the Sun's bubble.","entryPath":"/timeline/voyager-1-enters-interstellar-space"},{"id":"timeline_event:voyager-2-neptune-flyby","name":"Voyager 2 Flies Past Neptune","type":"timeline_event","domain":"science","description":"Voyager 2 sweeps past Neptune, the first and only spacecraft to visit the ice giant, completing the reconnaissance of every planet from Mercury to Neptune.","entryPath":"/timeline/voyager-2-neptune-flyby"}]}