News

  1. Astronomy

    Hubble Weighs In: Pinning down an extrasolar planet’s mass

    Using a decades-old technique, astronomers have precisely measured the mass of a planet outside our solar system.

    By Ron Cowen
  2. Materials Science

    Nanotube ID: New signatures aid nanotech progress

    Researchers have developed a means for rapidly distinguishing among 33 semiconducting varieties of carbon nanotubes.

    By Jessica Gorman
  3. Health & Medicine

    Cluster Bombs: Metabolic syndrome tied to heart disease deaths

    Men with a certain cluster of metabolic characteristics are about three times as likely to die of heart disease as men without the traits are.

    By Ben Harder
  4. Animals

    Frogs Play Tree: Male tunes his call to specific tree hole

    Borneo's tree-hole frog may come as close to playing a musical instrument as any wild animal does.