News

  1. Astronomy

    Two stars’ close encounter may explain a cosmic flare that has barely faded

    A brilliant outburst of light that has lasted nearly a century arose when two young stars skirted past each other, simulations suggest.

    By Ken Croswell
  2. Health & Medicine

    The coronavirus may cause fat cells to miscommunicate, leading to diabetes

    Researchers are homing in on a surprising cause of high blood sugar in COVID-19 patients and possibly what to do about it.

    By Tina Hesman Saey
  3. Archaeology

    Arctic hunter-gatherers were advanced ironworkers more than 2,000 years ago

    Swedish excavations uncover furnaces and fire pits from a big metal operation run by a small-scale society, a new study finds.