News

  1. Paleontology

    The Chicxulub asteroid impact might have set off 100,000 years of global warming

    About 66 million years ago, the Chicxulub asteroid impact set off 100,000 years of global warming, an analysis of oxygen in fish fossils suggests.

    By Laurel Hamers
  2. Astronomy

    Plasma rain in the sun’s atmosphere falls in surprising places

    Scientists found rain in the sun’s corona where they didn’t expect it, which could help solve the mystery of why the corona is so hot.

    By Lisa Grossman
  3. Genetics

    Genetic sleuthing again IDs a murder suspect in a cold case

    The arrest of a second murder suspect with the help of genetic genealogy raises worries that suspicionless searches may be next.