NASA
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Twin Astronauts Volunteer for Yearlong NASA Space Study
As part of an unprecedented study of zero gravity and weightlessness, identical twin astronauts have volunteered to take part in a yearlong NASA space project.
Latest Research Articles
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NASA's WISE Takes a Bite Out of the Black Hole 'Doughnut' Theory
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NASA Spitzer Telescope Captures Darkest Cosmic Shadows Ever Seen
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NASA Unveils its Earth Day Global Selfie
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Old Drifting Spacecraft Faces a "Reboot"
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Construction of New Mars Lander Approved for 2016 Mission
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NASA's Planet-Hunting Kepler Telescope Back on the Job
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Lunar Auction: Artifacts from Apollo Missions For Sale
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NASA Video: Neutron Stars' Violent Collision to Form Black Hole
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Saturn's "Spokes" Once Again Visible
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NASA Astronauts Train Underwater for Future Asteroid Mission
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NASA Simulator Creates Stardust on Earth from Scratch
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NASA Spots Solar Flare Dancing on Sun's Surface