News

  1. Planetary Science

    Saturn’s retinue: 60 and counting

    A little moon, two kilometers across, is Saturn's 60th satellite.

    By Ron Cowen
  2. Earth

    Erosion accelerates along Alaskan coast

    Alaska's northern coast is falling into the sea at an accelerating rate.

    By Sid Perkins

  3. Old viruses have new tricks

    Invading viruses can trick a cell into turning off its defense mechanisms.

    By Patrick Barry

  4. Antidepressants trim suicide tries

    Treating depression with antidepressant drugs reduces the risk of suicide.

    By Bruce Bower

  5. Chemical Conversation: Red blood cells send a signal that makes platelets less sticky

    Red blood cells can send a chemical signal that makes platelets less sticky, easing blood flow through narrow vessels.