News

  1. Earth

    Gasp! Ozone limits don’t protect babies

    In healthy infants, even ozone concentrations well below those allowed by federal law trigger asthmalike symptoms.

    By Janet Raloff
  2. Astronomy

    Spewing superdust

    Astronomers have identified a type of supernova as the main source of space dust.

    By Ron Cowen
  3. Earth

    Toxic Tides: Another reason to worry about hurricanes

    The hurricanes that struck Florida in the summer of 2004 also may have triggered an intense, widespread, and long-lasting red tide that afflicted the state's west-central coast throughout 2005.

    By Sid Perkins
  4. Animals

    Leggiest Animal: Champ millipede located after 79-year gap

    A millipede species that can grow up to 750 legs has turned up in California after decades with no sightings.