Uncategorized

  1. 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.

    By Emily Conover
  2. 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.

    By Susan Milius
  3. 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.

    By Bruce Bower
  4. Planetary Science

    Astronomers have spotted a second interstellar object

    Researchers will be able to watch what appears to be an interstellar comet swoop through the solar system for about a year.