News

  1. 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
  2. Oceans

    Robotic subs reveal thicker Antarctic sea ice

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

    By Thomas Sumner
  3. Physics

    Negative mass might not defy Einstein

    Repulsive matter could have played a role in the early universe, a computational study finds.

    By Andrew Grant
  4. Chemistry

    Radioactive fuel turns to goo during nuclear meltdown

    Experiments reveal the atomic rearrangements that occur within uranium dioxide when nuclear reactors fail.