News

  1. Health & Medicine

    Body makes its own morphine

    A study in mice suggests other mammals, including humans, can produce the painkiller in their bodies.

    By Tina Hesman Saey
  2. Animals

    Chimps may be aware of others’ deaths

    Reactions of chimps to dead companions and infants suggest a basic realization of what death entails.

    By Bruce Bower
  3. Life

    Paradox of dining in deep, wet mud

    A bonanza of food doesn’t necessarily result in biodiversity among deep sediment dwellers off California’s coast.

    By Susan Milius
  4. Space

    Life in the sticky lane

    Tropical asphalt lake could be analog for extraterrestrial microbial habitat.

    By Lisa Grossman
  5. Astronomy

    Hubble’s new instant classic

    NASA has released a stunning image of a nearby star-forming region to celebrate the telescope's 20th birthday.