News

  1. Astronomy

    Keeping Hubble from being hobbled

    NASA late last month shut down one of the aging Hubble Space Telescope's three gyros in an effort to extend its life.

    By Ron Cowen

  2. ***Notice to Subscribers in Areas Affected by Hurricane Katrina***

    The U.S. Postal Service has asked magazine publishers to suspend subscription mailings to areas that were damaged by Hurricane Katrina. Science News subscribers in those areas won't be charged for issues that are withheld, and their subscriptions will be extended. Mailings will resume upon notification by the USPS that delivery is reinstated.

    By Science News
  3. Tech

    Stepping Lightly: New view of how human gaits conserve energy

    Using a simple mathematical model, scientists may have pinpointed the key aspects of human locomotion that make ordinary walking and running the most energy-efficient ways for people to get around on foot.