News

  1. Animals

    Invasive asexual midges may upset Antarctica’s delicate moss banks

    Fast-multiplying insects with earthworm powers have invaded Antarctica, and scientists are worried about how their waste could affect the continent.

    By Susan Milius
  2. Life

    Mice lack stem cells in the heart needed for self-repair

    Adult mice hearts have no stem cells, a study finds. The same may be true for people, and that’s not welcome news for those who’ve had a heart attack.

    By Tina Hesman Saey
  3. Astronomy

    Bennu and Ryugu look like spinning tops and scientists want to know why

    The first high-resolution images of Bennu confirm that the asteroid looks very similar to the asteroid Ryugu.