News

  1. Planetary Science

    Hubble eyes Jupiter’s second red spot

    Hubble Space Telescope images are providing astronomers with the sharpest views yet of a new red spot on Jupiter.

    By Ron Cowen
  2. Health & Medicine

    Sleight of Herb: Black cohosh mislabeled in medicinal products

    A sizable fraction of the herbal supplements marketed as preparations of black cohosh contains none of that North American plant.

    By Ben Harder
  3. Earth

    Blast Survivors: Fragments of asteroid found in ancient crater

    Pieces of an asteroid that blasted a 70-kilometer-wide crater in southern Africa millions of years ago may have been found intact inside the thick layer of once-molten rock that the impact left behind.