News

  1. Life

    Shorter-winged swallows evolve around highways

    In survey along Nebraska roads, number of birds killed by cars has plummeted over 30 years.

    By Meghan Rosen
  2. Health & Medicine

    Bee venom component might offer HIV protection

    A toxin delivered by nanoparticles stops the virus in a lab study.

    By Nathan Seppa
  3. Planetary Science

    Distant planets’ atmospheres revealed

    Telescopes get first direct glimpse of gases on exoplanets.

    By Erin Wayman
  4. Humans

    Disputed finds put humans in South America 22,000 years ago

    Brazilian site may have been home to people before the Clovis hunters.

    By Bruce Bower
  5. Planetary Science

    Life-friendly environment confirmed on Mars

    Drill sample from bedrock reveals chemistry that could have supported microbial life.