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Galileo navigation satellites launched, promise life-changing accuracy
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For hummingbirds, a sweet tooth is advantageous
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Rats in Space? Rodents will head to International Space Station, says NASA
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New satellite images show rapid decline of ice sheets in Greenland, Antarctica
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Alien thigh bone on Mars? Odd object on NASA Curiosity rover photo
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Houston, we have a problem: UFO sighting stirs frenzy of tweets
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Global warming slowed by Atlantic? New study says it could go on another decade
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Toothless pterosaurs with 39-ft. wingspan, king of the skies 60 million years ago
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Antarctic ice sheet hides entire ecosystem: Is there life in outer space?
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Ice sheets thinning at highest rates ever observed
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One of universe’s oldest stars leaves behind remnant for scientists
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Russian officials claim sea plankton on surface of ISS: True or not?
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