News

  1. Life

    Woolly rhinos came down from the cold

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

    By Susan Milius
  2. Humans

    Oldest hand axes found

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

    By Bruce Bower
  3. 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.

    By Devin Powell
  4. Chemistry

    Fighting flames with greener materials

    New, nano-thin coatings for fabrics and plastics are relatively nontoxic flame retardants.

    By Janet Raloff
  5. Health & Medicine

    Saffron takes on cancer

    The yellow spice inhibits liver cancer growth, tests in rats show.