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

Space

Which Came First: The Galaxy Or The Black Hole?

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Researchers say they have identified traces of ice in craters on Mercury, seen here in this Oct. 8, 2008, image from the Messenger spacecraft. NASA hide caption

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NASA

Space Probe Finds Ice In Mercury's Craters

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Ask A NASA Astrobiologist About Dec. 21 'Doomsday'

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NASA's Mars rover Curiosity dug up five scoops of sand from a patch nicknamed "Rocknest." A suite of instruments called SAM analyzed Martian soil samples, but the findings have not yet been released. NASA/JPL-Caltech hide caption

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NASA/JPL-Caltech

Big News From Mars? Rover Scientists Mum For Now

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Untitled, by South African artist Gavin Jantjes, is one of the works in the "African Cosmos" exhibition. National Museum of African Art hide caption

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National Museum of African Art

An artist's impression shows a planet, right, orbiting the star Alpha Centauri B, center, a member of the triple star system that is the closest to Earth. ESO/L. Calcada/AP hide caption

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ESO/L. Calcada/AP