Space NPR coverage of space exploration, space shuttle missions, news from NASA, private space exploration, satellite technology, and new discoveries in astronomy and astrophysics.

What if we're all from Mars? AFP/Getty Images hide caption

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AFP/Getty Images

If Life Traveled From Mars To Earth On A Rock, Who Are We?

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Space Telescope Reawakened for an Asteroid Hunt

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Far Out: Voyager 1 Might Be Over The Edge, Into Deep Space

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A Telescope Fails, but the Hunt for Exoplanets Continues

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This may look like a mad scientist's garage sale, but it's actually the most precise clock ever built. Jim Burrus/NIST hide caption

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Jim Burrus/NIST

The World's Most Precise Clock Could Prove Einstein Wrong

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This artist rendering provided by NASA shows Voyager 1 at the edge of the solar system. AP hide caption

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AP

Has Voyager 1 Left The Solar System?

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Mission to Mars: Six explorers lived in this simulated Mars habitat in Hawaii for four months, part of a NASA study to test the role of cooking and food on an extended space mission. Sian Proctor/NASA HI-SEAS hide caption

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Sian Proctor/NASA HI-SEAS

An artist's illustration of Kepler-22b, a planet that circles its star in the "goldilocks" zone. Ames/JPL-Caltech/NASA/Getty Images hide caption

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Ames/JPL-Caltech/NASA/Getty Images

Kepler Space Telescope Is Beyond Repair, NASA Says

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