News

  1. Astronomy

    No long, twisted tail trails the solar system

    The bubble that envelops the planets and other material in the solar system does not have a tail, new observations show.

    By Ashley Yeager
  2. Particle Physics

    Collider data hint at unexpected new subatomic particles

    A set of particle decay measurements could be evidence for new physics.

    By Emily Conover
  3. Life

    Immune cells play surprising role in steady heartbeat

    Immune system cells called macrophages help heart cells rhythmically contract, maintaining the beat of mice’s hearts.

    By Elizabeth Eaton
  4. Climate

    Plot twist in methane mystery blames chemistry, not emissions, for recent rise

    The recent rise in atmospheric methane concentrations may have been caused by changes in atmospheric chemistry, not increased emissions from human activities, two new studies suggest.