News

  1. How spiny lobsters make scary noises

    Spiny lobsters make alarm and protest sounds by drawing their leathery plectra—protrusions at the base of each anntenna—across scaley ridges below their eyes, much like a violin bow pulling across a string.

    By Susan Milius

  2. Here come mom and dad

    Children in two-parent families spend more time with their mothers and fathers now than they did 20 years ago.

    By Bruce Bower

  3. Brains show evolutionary designs

    Mammal species exhibit basic types of brain design from which they have evolved a wide array of brain sizes, according to a new analysis.

    By Bruce Bower
  4. Astronomy

    Free-floaters: Images of planets?

    Several recent studies have escalated the debate about what exactly constitutes a planet.