The machines that do the exploring for us — the great observatories, the crewed stations, and the probes that have carried humanity's reach to the edge of interstellar space.Track them in 3D →
Permanently crewed outposts in low Earth orbit.
The telescopes that rewrote our picture of the universe.
Robotic probes flung across the solar system — and out of it.

Humanity's farthest spacecraft — entered interstellar space in 2012, still transmitting from 24+ light-hours away.
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The only craft to have visited Uranus and Neptune — crossed into interstellar space in 2018.
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NASA's Sun-grazer — flies through the corona at 6.9 million km from the surface, faster than any human-made object.
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Elon Musk's cherry-red Roadster — launched on the first Falcon Heavy in February 2018 with a spacesuited "Starman" at the wheel, now looping the Sun on a Mars-crossing orbit.
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The fastest launch ever — swept past Pluto in 2015 and the Kuiper Belt object Arrokoth in 2019, now exploring beyond 60 AU.
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First craft to cross the asteroid belt and fly past Jupiter (1973). Silent since 2003, it coasts toward Aldebaran past 140 AU, carrying its famous golden plaque.
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First to fly past Saturn (1979), using Jupiter's gravity to get there. Last heard from in 1995, it drifts toward the constellation Aquila beyond 115 AU.
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