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Stargazers, mark your calendar: Venus and Jupiter to smooch on Aug 18
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Humans blamed for melting glaciers in new study
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Mountain lions in Santa Monica Mountains, trapped by freeways and urbanization, risk inbreeding and isolation
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Milky Way map may help solve century-long stardust mystery
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HitchBOT epic hitchhiking journey nears end: Camping, attending powwow, crashing wedding and more
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Up, close and personal: Rosetta probe finds comet 67P/Chuyurmov-Gerasimenko hotter than expected
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Cygnus spacecraft packing 3500 lbs of trash onboard, will burn up Sunday during Earth re-entry
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Tibetan plateau warmest in 2000 years, poses risk of natural disasters: Report
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Man finds wooly mammoth tusk 22 years after his mom found one in the same spot
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Dolphins and whales squeal to express delight
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Thinning snow on Arctic sea ice may affect ecosystem of North Pole
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Arapaima, biggest fish in Amazon, is in danger of extinction
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