News

  1. Astronomy

    A new hunt for an Earth analog begins

    The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an Earth twin.

    By Mićo Tatalović
  2. Microbes

    This giant microbe organizes its DNA in a surprising way

    3-D microscopy shows that the giant bacterium Thiovulum imperiosus squeezes its DNA into peripheral pouches, not a central mass like typical bacteria.

    By Meghan Rosen
  3. Animals

    Ancient DNA rewrites the tale of when and how cats left Africa

    Cats were domesticated in North Africa, but spread to Europe only about 2,000 years ago. Earlier reports of “house” cats were wild cats.