News

  1. Animals

    Slower speed, tricky turns give prey a chance against cheetahs and lions

    A bonanza of data on wild predators running shows that hunting is more than sprinting.

    By Susan Milius
  2. Particle Physics

    Clumps of dark matter could be lurking undetected in our galaxy

    Dark matter, assumed to form featureless blobs, might clump together into smaller objects.

    By Emily Conover
  3. Earth

    Life may have been possible in Earth’s earliest, most hellish eon

    Heat from asteroid bombardment during Earth’s earliest eon wasn’t too intense for life to exist on the planet, a new study suggests.

    By Carolyn Gramling
  4. Genetics

    Scientists find 10 new defense systems used by bacteria

    Scientists identify 10 groups of genes that appear to govern defense systems used by bacteria against virus attacks.