nasa
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Gingrich is right about the space program
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NASA Mars rover prepares for upcoming winter
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NASA discovers possibly habitable planet
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NASA finds planet that's just about right for life
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NASA launches mission to Mars
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AP Exclusive: NASA sting terrifies woman, 74
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Laser-powered communication offers high res photos for NASA
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NASA's top official 'rooting for' China's success in space exploration
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A twin sunset with no one to see it
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NASA unveils new rocket design
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NASA releases images of 9/11 taken from space station
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Soyuz failures may result in space station abandonment
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Experts worry astronauts will leave NASA with end of shuttle program
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Scientists find building blocks of life in meteorites
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NASA: Water flows on Mars during warm months
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NASA's last shuttle blasts off into history
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Storms may wash out last space shuttle launch Friday
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NASA sues Apollo astronaut over moon camera
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SpaceX brings affordable spaceflight within reach