News

  1. Humans

    Nobel prizes honor innovative approaches

    The 2002 Nobel prizes pay tribute to an international sampling of scientists who developed powerful new techniques for expanding the horizons of research.

    By John Travis, Ivars Peterson and Jessica Gorman
  2. Earth

    Lawn Agent Cues Embryo Shortfall: Herbicide weeds out mice in the womb

    Minuscule amounts of over-the-counter weed killers impair reproduction in mice.

    By John Pickrell
  3. Astronomy

    Hefty Discovery: Finding a Kuiper belt king

    A newly discovered celestial body appears to be the largest object that scientists have found in the solar system since their detection of Pluto in 1930.

    By Ron Cowen
  4. Humans

    Physics for Sale: Collectors snap up pricey historical materials

    Documents detailing the rise of modern physics and Albert Einstein's development of the general theory of relativity have sold at an auction for nearly $1.8