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Jonathan McDowell on Retiring From Harvard and Leaving the U.S.
Jonathan McDowell is retiring from studying the universe. But he’s ramping up efforts to chronicle humanity’s exploration of space.
© Tony Luong for The New York Times
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‘Ultrahigh Energy’ Neutrino Found With a Telescope Under the Sea
It’s the most energetic particle of its kind ever discovered, and scientists have no idea where it came from.
Asteroid 2024 YR4 Could Strike Earth, Researchers Say, But the Odds are Small
Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December 2032.
Earth’s Mini-Moon Was Probably a Piece of Its Real Moon
Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.
