News

  1. Space

    The best next space missions

    The National Research Council issues recommendations for planetary science projects that NASA and NSF should fund starting in 2013.

    By Ron Cowen
  2. Health & Medicine

    Stretchy electronics aid heart surgery

    New balloon catheters may help cardiologists treat common cardiac problems.

    By Daniel Strain
  3. Health & Medicine

    Alpha wave may affect sleep quality

    A type of brain activity once considered diagnostic of wakefulness persists during slumber, and the more intense it is the more easily a person can be jolted awake.

    By Tina Hesman Saey
  4. Space

    Stellar wormholes may exist

    Tunnels through spacetime would connect pairs of stars, new simulations suggest.