News

  1. Animals

    Pesticides Mess with Immunity: Double whammy promotes frog deformities

    Agricultural pollutants may conspire with parasites to cause the epidemic of limb deformity that's sweeping through North America's frog populations.

    By John Pickrell
  2. Anthropology

    Evolution’s Surprise: Fossil find uproots our early ancestors

    Researchers announced the discovery of a nearly complete fossil skull, along with jaw fragments and isolated teeth, from the earliest known member of the human evolutionary family, which lived in central Africa between 7 million and 6 million years ago.

    By Bruce Bower
  3. Planetary Science

    Pristine fragments of asteroid breakup

    Planetary scientists have for the first time precisely dated a collision that smashed an asteroid into fragments.