News

  1. Planetary Science

    A comet’s tail

    Already under observation by astronomers, Hartley 2 will be visible in dark skies when it passes Earth on October 20.

    By Ron Cowen
  2. Life

    Pterosaurs might have soared 10,000 miles nonstop

    Flight analysis suggests ancient reptiles were record setters.

    By Susan Milius
  3. Health & Medicine

    Mice robbed of darkness fatten up

    Time of day can affect calories' impact, a study shows.

    By Janet Raloff
  4. Chemistry

    Bacteria go electric

    Microbes that wire themselves up could turn waste into power.

    By Marissa Cevallos
  5. Health & Medicine

    How being deaf can enhance sight

    Hearing-specialized brain regions can adapt to processing visual input, cat experiments show.