NASA's Search For Life Still A New Hope

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Decoding Lunar Crash Data

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Astronomers May Have Found Oldest Galaxy

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Virgin Galactic is developing a suborbital spacecraft to carry spaceflight participants to about 65 miles above Earth. The craft, SpaceShipOne, is carried high above the Earth by a special plane called The White Knight, then launched. Courtesy of Scaled Composites hide caption

toggle caption Courtesy of Scaled Composites

Space Tourism: To Infinity And ... Right Back To Earth

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A History of Space Science, In Ink

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A Fizzy Ocean May Lie Beneath Enceladus' Icy Crust

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Celebrating Carl Sagan And 'Cosmos'

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Newly Discovered Exoplanet Ripe For Life

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What Are The Challenges Of 'Trailblazing Mars'?

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A National Science Foundation artist's drawing shows the inner four planets orbiting Gliese 581, a red dwarf star just 20 light-years from Earth. The newly discovered planet, in the foreground, has a 37-day orbit and, like Earth, is distant enough from the star for liquid water to exist. Lynette Cook hide caption

toggle caption Lynette Cook

'Goldilocks' Planet's Temperature Just Right For Life

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Does The Universe Have a 'Dark Flow?'

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