News

  1. Paleontology

    Society sans frills

    The discovery of the fossils of several young dinosaurs in one small space suggests that the members of one dinosaur group evolved complex social behaviors millions of years earlier than previously suspected.

    By Sid Perkins
  2. Paleontology

    DNA analysis reveals extinct type of wolf

    New genetic analyses of the remains of gray wolves found in Alaska indicate that a distinct subpopulation of that species disappeared at the end of the last ice age, possibly because of its dietary habits.

    By Sid Perkins
  3. Paleontology

    Rodents tell a geologic tale

    The sudden appearance of many new species of rodents in Chile about 18 million years ago may have marked the rise of the southern Andes.