News

  1. Planetary Science

    Rarin’ to go

    After a day’s delay, the robotic arm on the Mars Phoenix Lander is free of its shackles and is preparing to dig for ice.

    By Ron Cowen
  2. Archaeology

    Domain of the dead

    Researchers say that Stonehenge functioned as the largest cemetery of its time.

    By Bruce Bower
  3. Archaeology

    Footprints in the ash

    Humans may have been walking around what is now central Mexico 40,000 years ago.

    By Sid Perkins
  4. Animals

    Not so prudish after all

    Unsuspected genetic diversity found in asexual animals.

    By Amy Maxmen
  5. Health & Medicine

    Reading minds … or at least brain scans

    By analyzing brain activity, computers can tell what word is on your mind.