News

  1. Life

    Gene appears linked with a person’s daily rhythms

    Variations could play a role in determining time of death, or help shift workers better adapt.

    By Rebecca Cheung
  2. Humans

    Maya wall calendar discovered

    Classic-era structure displays rare calculations of lunar and planetary cycles.

    By Bruce Bower
  3. Astronomy

    Sun’s shock wave goes missing

    Spacecraft observations redraw astronomers’ ideas about the local stellar environment.

    By Nadia Drake
  4. Life

    Culture results when chimps get cracking

    Adjacent groups in Africa follow different traditions when it comes to opening nuts.

    By Susan Milius
  5. Earth

    Big Antarctic ice sheet appears doomed

    Warming climate is expected to trigger the sudden retreat of a partially floating glacier on the continent’s western side by 2100.