News

  1. Climate

    Cold War–era spy satellite images show Himalayan glaciers are melting fast

    Declassified spy satellite photographs reveal that glacier melt in the Himalayas has sped up dramatically in the last two decades.

    By Carolyn Gramling
  2. Neuroscience

    Female rats face sex bias too

    In neurobiological studies, male lab animals tend to outnumber females, which are considered too hormonal. Scientists say it’s time for that myth to go.

    By Bethany Brookshire
  3. Paleontology

    Hyenas roamed the Arctic during the last ice age

    Two teeth confirm the idea that hyenas crossed the Bering land bridge into North America, a study finds.

    By Nicoletta Lanese
  4. Life

    Norovirus close-ups might help fight stomach flu

    Detailed views of a common stomach virus that causes vomiting and diarrhea could aid vaccine and disinfectant development.