News

  1. Physics

    A lighter Higgs, but chase continues

    Target narrows after LHC experiments suggest a new lower estimated mass for the elusive particle.

    By Devin Powell
  2. Life

    Woolly rhinos came down from the cold

    Ice Age icons were already adapted to harsh climate, new fossils suggest.

    By Susan Milius
  3. Humans

    Oldest hand axes found

    Homo erectus may have made both advanced and simple tools 1.76 million years ago.

    By Bruce Bower
  4. Humans

    Middle school scientists recognized

    The first class of 30 finalists in the Broadcom MASTERS will convene in Washington, D.C., this fall to compete in new national science competition geared to younger students.