News

  1. Space

    Most distant known object in the universe

    Astronomers have discovered a gamma-ray burst emanating 13.035 billion light-years from Earth, making it the universe's most distant known object.

    By Ron Cowen
  2. Health & Medicine

    Swine flu outbreak likely to continue, officials say

    Even as public health data on the new outbreak change daily, biological information on the mysterious virus remains scant.

    By Nathan Seppa
  3. Animals

    Caterpillars’ chirp could be scary

    Larvae of great peacock moths might signal that they’ll put up a fight.

    By Susan Milius
  4. Plants

    Climatic effects of tree-killing hurricanes

    A new analysis suggests storm damage returns millions of metric tons of carbon dioxide to the atmosphere each year.