News

  1. Shrinking at Sea: Harvesting drives evolution toward smaller fishes

    In response to fishing, numerous fish species have evolved to be smaller and to grow more slowly, creating populations of fish that are poor at reproducing and inefficient at bulking up.

    By Ben Harder
  2. Astronomy

    Big Flash: Record-breaking explosion in outer space

    The brightest flash of light ever recorded from beyond the solar system could help account for a puzzling group of extremely short-lived gamma-ray bursts from distant galaxies.

    By Ron Cowen
  3. Animals

    The Old Crowd: Minke whales have long thrived in Antarctic seas

    Genetic studies of whale meat from Tokyo grocery stores appear to strengthen the case for protecting Antarctica's minke whales against renewed hunting.