Feature

  1. Animals

    Flying insects tell tales of long-distance migrations

    Researchers are asking big questions about animal movements and pest control by tracking tiny insects in flight.

    By Alexandra Witze
  2. Health & Medicine

    Are we ready for the deadly heat waves of the future?

    As heat waves become more common, cities try to respond.

    By Aimee Cunningham
  3. Health & Medicine

    Opioids kill. Here’s how an overdose shuts down your body

    Powerful opioids affect many parts of the body, but the drugs’ most deadly effects are on breathing.

    By Laura Sanders
  4. Animals

    How oral vaccines could save Ethiopian wolves from extinction

    A mass oral vaccination program in Ethiopian wolves could pave the way for other endangered species and help humans, too.