News

  1. Health & Medicine

    Cocaine link to heart attack bolstered

    Regular cocaine use may account for one-fourth of nonfatal heart attacks in people under age 45.

    By Nathan Seppa
  2. Health & Medicine

    Gene mutation can spur autoimmunity

    A mutation of a gene on the X chromosome can lead to a dangerous autoimmune disorder and type I diabetes.

    By Nathan Seppa
  3. Astronomy

    A Jovian moon lost and found

    After 25 years, astronomers have relocated a tiny satellite of Jupiter.

    By Ron Cowen
  4. Astronomy

    A trio of new planets

    With the discovery of three additional planets that lie outside the solar system, astronomers have now found evidence of more than 50 extrasolar planets.