News

  1. Health & Medicine

    Blood-Clot Surprise: Finding might explain a danger of Viagra

    An amendment to the blood-clotting pathway might link Viagra to heart attacks in some users.

    By Kendall Morgan
  2. Astronomy

    Distant and Strange: Orb isn’t just another extrasolar planet

    A novel search technique that could ultimately find Earthlike worlds has uncovered an extrasolar planet that is 30 times farther away than any other planet detected and lies closer to its parent star than does any other orb discovered to date.

    By Ron Cowen
  3. Earth

    Northern Vents: Arctic shows surprising hydrothermal activity

    A recent survey along a midocean ridge beneath the Arctic icepack unveiled an unexpected abundance of hydrothermal activity.