News

  1. Neuroscience

    Itch-busting nerve cells could block urge to scratch

    A group of nerve cells in the spinal cord keep mechanical itch in check.

    By Laura Sanders
  2. Anthropology

    Petite primate fossil could upend ideas about ape evolution

    Ancient fossils suggest modern apes descended from a small, gibbonlike creature.

    By Bruce Bower
  3. Planetary Science

    Oxygen leaking from comet surprises astronomers

    The Rosetta spacecraft detected oxygen molecules coming out of comet 67P that might have been buried since the formation of the solar system.

    By Christopher Crockett
  4. Life

    Rare reptile holds clue to penis evolution

    Preserved Victorian specimens reveal budding embryonic penis that disappears before adulthood.