Astronomers observed GRB 221009A—a gamma-ray burst 2.4 billion light-years away—which nonetheless disturbed Earth’s upper atmosphere with a force equivalent to a major solar flare. Trump accused boat ...

China has released the first-ever images of the mysterious interstellar comet 3I/ATLAS as it passed near Mars — outpacing NASA, whose sharper photos remain unreleased amid the US government shutdown.

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