News

  1. Health & Medicine

    Breakfast trends

    Although breakfasts tend to pack a lot of nutrition per typical calorie consumed, one in five U.S. residents skips this meal.

    By Janet Raloff
  2. Planetary Science

    Another visitor to Mars

    The newest spacecraft from Earth arrived at the Red Planet on March 10.

    By Ron Cowen
  3. Planetary Science

    Making Mercury

    New computer simulations of Mercury's violent formation account for the planet's abundance of heavy elements and also reveal that some of the debris generated by the collision could have found its way to Earth and Venus.

    By Ron Cowen
  4. Animals

    Hummingbirds can clock flower refills

    Hummingbirds can keep track of when a particular flower has replenished its nectar and is worth visiting again.