News

  1. Life

    Ancient ‘demon ducks’ may have been undone by their slow growth

    Mihirung birds grew to more than half a ton and took their time getting there. That slow growth may have been a vulnerability when humans got to Australia.

    By Jake Buehler
  2. Space

    Physicists dispute a claim of detecting a black hole’s ‘photon ring’

    A thin ring of light around a black hole, which would probe gravity in a new way, has been found, one team claims. Skeptics aren’t convinced.

    By Emily Conover
  3. Paleontology

    This bizarre ancient critter has been kicked out of a group that includes humans

    A wee sea creature without an anus was thought to be the oldest deuterostome.