News

  1. Animals

    Spider silk-making organs evolved due to a 400-million-year-old genetic oops

    An ancient ancestor of spiders and relatives doubled its genome about 400 million years ago, setting the stage for the evolution of spinnerets.

    By Jake Buehler
  2. Archaeology

    This ancient stick may be the world’s oldest handheld wooden tool

    These 430,000-year-old wooden tools from Greece are a rare find and provide a glimpse at the technical know-how of our early human ancestors.

    By Tom Metcalfe
  3. Animals

    Some vaccines are making progress in protecting vulnerable species

    Vaccines can be a crucial conservation tool. But getting shots to wildlife, and developing them in the first place, is tough.

    By Erin Garcia de Jesús
  4. Animals

    How Greenland sharks defy aging

    When it comes to bucking the biological ails of aging, humans could learn something from Greenland sharks.