Uncategorized

  1. Humans

    An island grave site hints at far-flung ties among ancient Americans

    Great Lakes and southeastern coastal hunter-gatherers had direct contact around 4,000 years ago, a study suggests.

    By Bruce Bower
  2. Planetary Science

    Astronomers have spotted a second interstellar object

    Researchers will be able to watch what appears to be an interstellar comet swoop through the solar system for about a year.

    By Lisa Grossman
  3. Agriculture

    Birds fed a common pesticide lost weight rapidly and had migration delays

    Scientists have previously implicated neonicotinoid pesticides in declining bee populations. Now a study suggests that songbirds are affected, too.

    By Maanvi Singh
  4. Tech

    This device harnesses the cold night sky to generate electricity in the dark

    A new thermoelectric generator uses the temperature difference between Earth and outer space to create electricity after the sun goes down.