News

  1. Planetary Science

    Cometary encounter

    Planetary scientists are feasting on close-up images of Comet Wild 2 as well as on the first information about its composition.

    By Ron Cowen
  2. Earth

    Long dry spell

    Falling reservoir levels in the western United States are just one symptom that the region is suffering through a drought that may be the worst to strike in the past 500 years.

    By Sid Perkins

  3. When Protein Breakdown Breaks Down: Bacterial toxin yields signs of Parkinson’s

    Certain compounds that hinder cells from destroying waste proteins can produce symptoms of Parkinson's disease in rats.

    By Ben Harder
  4. Materials Science

    Cool Magnet: A little bit of iron gives magnetic refrigeration a boost

    An improved material moves magnetic refrigeration one step closer to commercial reality.