News

  1. Health & Medicine

    Ebola vaccine protects people in West Africa

    In Guinea trial, zero cases of Ebola occurred in people potentially exposed who received immediate shots of a new experimental vaccine.

    By Nathan Seppa
  2. Planetary Science

    New results from Philae lander offer first close-up of a comet

    Philae’s bouncy journey across comet 67P allowed it to check out two very different sites before taking a detailed look at both the inside and outside of the comet.

    By Christopher Crockett
  3. Animals

    Caterpillar treats and tricks ants by oozing spiked juice

    Caterpillars ooze droplets that lure ants away from colony duties to instead lick and defend their drug source, new lab tests suggest.