News

  1. Space

    The Milky Way’s supermassive black hole reached record brightness this year

    The big black hole at the center of the galaxy recently flared twice as bright as ever seen before in near-infrared wavelengths.

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  2. Physics

    Gravitational waves from a ringing black hole support the no-hair theorem

    A new study of gravitational waves from merging black holes agrees with the predictions of the general theory of relativity.

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  3. Life

    Climate change may be throwing coral sex out of sync

    Several widespread corals in the Red Sea are flubbing cues to spawn en masse.

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  4. Humans

    An island grave site hints at far-flung ties among ancient Americans

    Great Lakes and southeastern coastal hunter-gatherers had direct contact around 4,000 years ago, a study suggests.