News

  1. Health & Medicine

    A new app tracks breathing to detect an opioid overdose

    A smartphone app called Second Chance could help save opioid users who shoot up alone.

    By Maria Temming
  2. Cosmology

    A second repeating fast radio burst has been tracked to a distant galaxy

    Astronomers have spotted a second repeating fast radio burst, and it looks a lot like the first.

    By Lisa Grossman
  3. Astronomy

    Less than a year after launch, TESS is already finding bizarre worlds

    The TESS exoplanet hunter has spotted eight confirmed worlds in its first four months, and several of them are really weird.

    By Lisa Grossman
  4. Animals

    Green darner dragonflies migrate a bit like monarch butterflies

    Some dragonflies do a north-south annual migration that takes at least three generations.