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New IPCC report on climate change suggests solutions: Are renewable energy sources up to the task?
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Blood moon Tuesday: Get ready for the spectacular celestial event of the year
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Possible discovery of exomoon circling alien planet reveals how little we know about the universe
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Greenland ice cores speak volumes about climate change problems
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U.S. sends spy satellite into space aboard Russian-powered Atlas V rocket
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Hubble Space Telescope extends our cosmic 'tape measure,' looks farther into our galaxy
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Famous T. rex fossil skeleton takes a road trip from Montana to Smithsonian
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NASA dreams of using flying saucers to send astronauts to Mars
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ISS astronauts prepare for another spacewalk to fix computer outage
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Act on climate change issue now before it's too late: UN
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Meet 42,000-year-old baby mammoth Lyuba at National History Museum in London
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Astronomers uncertain about discovery of rare exomoon: Is it real?
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