Space
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Saturn polar vortex revealed in all its glory by NASA Cassini spacecraft
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NASA worries turning Mars rover Curiosity into a dune buggy
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Star Trek's William Shatner to NASA: What's the truth behind Mars 'jelly doughnut' rock?
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Apollo 15 moon landing camera now on the auction block
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ISS astronauts take up farming
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NASA wants to set up 'absolute zero temperature' lab inside the ISS: Why?
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Longest lunar transit reveals moon in multi-hue glory
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One planet, two stars: Tatooine-like planets are real, scientists claim
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Astrobiologist Rhawn Joseph sues NASA for not telling world it found alien fungus on Mars
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Jupiter was once as close to Sun as Mars, rogue asteroids hint
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Collisions helped early galaxies spread out and grow
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China's Jade Rabbit rover may have hopped its last
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