News

  1. Astronomy

    A runaway black hole has been spotted fleeing a distant galaxy

    A bright streak stretching away from a remote galaxy might be the light from stolen gas and new stars caught in the wake of an escaping black hole.

    By Lisa Grossman
  2. Paleontology

    520-million-year-old animal fossils might not be animals after all

    Newly described fossils of Protomelission gatehousei suggest that the species, once thought to be the oldest example of bryozoans, is actually a type of colony-forming algae.

    By Sid Perkins
  3. Climate

    How wildfires deplete the Earth’s ozone layer

    Scientists detail the chain of chemical reactions that occur when wildfire smoke enters the stratosphere.

    By Carolyn Gramling
  4. Physics

    Is this the superconductor of scientists’ dreams? A new claim faces scrutiny

    It’s big, if true: transmitting electricity with no resistance at room temperature and moderate pressure.