News

  1. Planetary Science

    Comet lander’s exploration cut short

    The comet lander Philae made history with its touchdown on comet 67P/Churyumov–Gerasimenko, but a series of small hiccups prevented the robot from recharging its batteries, giving it only about 57 hours to explore the alien world.

    By Ashley Yeager
  2. Health & Medicine

    Turning the immune system on cancer

    A new class of drugs uncloaks tumors in some patients, awakening home-grown cells to fight several cancer types.

    By Nathan Seppa
  3. Archaeology

    Golden Fleece myth was based on real events, geologists contend

    Jason’s legend grew out of long-distance trade with people who used sheepskins to collect gold.

    By Bruce Bower
  4. Oceans

    Robotic subs reveal thicker Antarctic sea ice

    New measurements by robotic subs suggest that scientists have underestimated Antarctic sea ice thickness.