News

  1. Ecosystems

    The Birds Are Falling: Avian losses could hit ecosystems hard

    If many bird populations dip toward extinction in the coming century, widespread harm could come to ecosystems that depend on these birds.

    By Ben Harder
  2. Health & Medicine

    Birth Dilemma: Doctors weigh pros and cons of cesareans

    Women attempting a vaginal birth after a cesarean delivery have more uterine ruptures and other complications than do women undergoing a second cesarean section.

    By Nathan Seppa
  3. Astronomy

    People, Not Robots: Panel favors shuttle mission to Hubble

    Sharply challenging NASA on the issue of safety in space, a National Academy of Sciences panel has recommended that the agency send astronauts to repair and upgrade the Hubble Space Telescope rather than send a robotic device.