News

  1. Life

    Contender for world’s oldest dinosaur identified

    An African specimen suggests the lineage may have arisen 15 million years earlier than thought.

    By Tanya Lewis
  2. Astronomy

    Voyager crossing superhighway to solar system exit

    The latest milestone in a 35-year journey may signal an impending passage to interstellar space.

    By Tanya Lewis
  3. Life

    Among bass, easiest to catch are best dads

    Recreational fishing may be inadvertent evolutionary force, favoring cautious fish over better caretakers of the young.

    By Susan Milius
  4. Life

    Gut bacteria may affect cardiovascular risk

    An abundance of antioxidant-producing microbes seems to keep plaques from breaking free and causing heart attacks and stroke.