Space Exploration · 29 guides
Space Exploration
The probes, rovers, telescopes and programs that went for us.
Start with Voyager 1 After 48 years, the farthest human-made object is still calling home from interstellar space.
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Voyager 2 The only spacecraft to visit all four giant planets, on the grandest tour ever flown.
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Hubble Space Telescope The telescope that rewrote astronomy has kept the universe in focus for 35 years.
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James Webb Space Telescope A million miles from home, the infrared giant is seeing the universe's first galaxies.
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International Space Station Humanity's outpost in orbit has been continuously inhabited for a quarter of a century.
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Apollo 11 The first crewed Moon landing: the day the species left home.
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Perseverance NASA's newest Mars rover is caching the samples that may answer the life question.
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Curiosity The rover that proved Mars was habitable. After a decade+, it is still climbing its mountain.
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Cassini–Huygens In thirteen years at Saturn, this mission found oceans where none should be.
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New Horizons Nine years to Pluto for nine days of revelation, after the fastest launch in history.
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Parker Solar Probe The spacecraft that touched the Sun is also the fastest human-made object.
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Artemis Program The return to the Moon. This time, to stay.
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Juno A solar-powered orbiter that saw beneath the clouds, Juno is Jupiter's storm-chaser.
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Europa Clipper The biggest planetary spacecraft NASA has ever launched, now en route to the ocean moon.
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Sputnik 1 The beep that started the Space Age.
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Vostok 1 108 minutes that made Yuri Gagarin the first human in space.
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Luna 9 The first soft landing on another world, and the first photos from its surface.
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Venera 7 The first landing on another planet sent back 23 minutes of data from Venus's furnace.
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Viking 1 & 2 The first successful Mars landings, which also ran the first search for life there.
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Galileo (Jupiter orbiter) Eight years inside Jupiter's system built the case for Europa's ocean.
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Rosetta & Philae Europe's comet chaser, and the first to orbit a comet and land on one.
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Kepler Space Telescope The census-taker of worlds, whose count proved that planets outnumber stars.
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Gaia The mission that mapped the Milky Way in 3D: the billion-star surveyor.
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Chandra X-ray Observatory For 25 years, NASA's X-ray flagship has been seeing the violent universe.
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Hayabusa2 Japan's asteroid raider: two landings, one crater, and samples on Earth.
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Chang'e Program China's Moon program went first to the far side and came home with samples twice.
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Chandrayaan-3 The first landing in the Moon's south polar region, and India's triumph.
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DART The day humanity moved an asteroid. Planetary defense, demonstrated.
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OSIRIS-REx America's asteroid courier delivered 121 grams of Bennu by parachute.29 in-depth guides, with every fact labeled and sourced. Star any of them to build your own collection.