News

  1. Astronomy

    Black holes may shut down stellar factories

    Astronomers find dead galaxies loaded with the cold gas needed to make stars.

    By Christopher Crockett
  2. Physics

    Superfast laser pulses could pave way for beam weapons

    Short light bursts turn columns of air into energy conduits.

    By Andrew Grant
  3. Health & Medicine

    Casinos may reduce poverty, obesity in Native American communities

    A modest reduction in overweight youth was observed after the addition of slot machines.

    By Nathan Seppa
  4. Health & Medicine

    Meaty diets may raise risk of dying young

    Reducing protein consumption can lengthen life and improve health, studies in mice and people suggest.