For prizewinning puzzle creators, the devilish ideas are in the details.…
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A heritage of dark sky preservation means residents of Flagstaff welcome the season’s longer nights with prolonged views of the…
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The Ursids this weekend are a winter solstice light show.…
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A funding crisis at the Museum of the Earth and the Paleontological Research Institution in Ithaca, N.Y., could scatter priceless…
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How did ants take over the world? The answer may be skin deep.…
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A.I. chatbots have been designed to behave in a humanlike way. Some experts think that’s a terrible idea.…
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An unusual object orbiting a rapidly spinning star might be a new phenomenon in the universe.…
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Mr. Musk has ambitions to remake education, but his latest effort to open an elementary school in Texas appears to…
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Jared Isaacman, the billionaire nominated twice to lead the agency, may draw some lessons from the tenure of another NASA…
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In Argentina, the return of pumas brought top predators back to the landscape — much to penguins’ dismay.…
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