News

  1. Planetary Science

    A toxic gas that could help spawn life has been found on Enceladus

    Cassini data indicate that hydrogen cyanide, a key building block for life, exists on Saturn’s icy moon. A snakelike NASA robot might test for sure.

    By Nikk Ogasa
  2. Health & Medicine

    When it comes to physical activity, every bit counts

    Biking to the store. Raking leaves. Playing with your kids. Scientists are getting a clearer picture of all the activities that offer health benefits.

    By Meghan Rosen
  3. Animals

    Reindeer can sleep while they chew

    Brain waves and behaviors suggest that reindeer can doze while chewing, a timesaving strategy for sleeping under tough conditions.