After visiting President-elect Donald J. Trump in November, Mr. Zuckerberg decided to relax Meta’s speech policies. He asked a small…
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It’s not causing panic! in the fossil record, but a 430-million-year-old mollusk discovery in Britain is a source of excitement…
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Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A…
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The Mars Sample Return effort was billions of dollars over budget and not expected to return to Earth with its…
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Not in this universe, a new study concludes.…
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Scientists say the snail darter, whose endangered species status delayed the building of a dam in Tennessee in the 1970s,…
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Modern religious leaders are experimenting with A.I. just as earlier generations examined radio, television and the internet.…
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The Quadrantids might be one of the strongest showers this year, but poor weather could make them difficult to see.…
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The Quadrantids might be one of the strongest showers this year, but poor weather could make them difficult to see.…
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Here are some key events to look forward to in space and astronomy in the year ahead.…
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