Historic Starliner crewed launch attempt delayed again as teams continue to assess helium leak
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Study proves black holes have a ‘plunging region,’ just as Einstein predicted
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Scientists uncover ‘striking’ ancient arachnid that had large spiky legs
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Giant oddball planet has the density of fluffy cotton candy, study finds
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Scientists map long-lost arm of the Nile that flowed past 31 pyramids
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Did dinosaur blood run hot or cold? Both, according to a new study
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Helium leak delays Boeing’s historic Starliner mission at least another week
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Tiny backpacks reveal newfound species of the world’s largest hummingbird
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‘Alphabet’ of sounds reveals complexity of sperm whale communication, scientists say
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Missed the dazzling northern lights show? You might get another chance Saturday night
CNN — A second likelihood to view the magnificent auroras produced by…