News

  1. Space

    With a twinkle, pulsating stars could deliver signals from E.T.

    Neutrino beams may turn Cepheids into messengers for advanced alien civilizations.

    By
  2. Space

    Galaxies on the move

    Scientists discover "dark flow" -- the unexplained streaming of galactic clusters across the universe.

    By
  3. Humans

    The first sound bites

    During the 1908 presidential race, Taft and Bryan sounded off in a new way as use of the phonograph got serious.

    By
  4. Gene therapy tool would target free radicals

    New method would make the most of the balance between the good and bad of free radicals, offering a potential treatment for cardiovascular diseases.