News

  1. Climate

    Ocean bacteria may have shut off ancient global warming

    Ocean-dwelling bacteria may have helped end global warming 56 million years ago by gobbling up carbon from the CO2-laden atmosphere.

    By Gabriel Popkin
  2. Climate

    IPCC calls for swift switch to alternative power

    Rapid adoption of green power production will be necessary to avert a climate crisis, latest IPCC report says.

    By Beth Mole
  3. Astronomy

    Early Mars couldn’t hold liquid water long

    Small rocks hit Mars 3.6 billion years ago, suggesting an early atmosphere too thin for liquid water to hang around very long.

    By Christopher Crockett
  4. Particle Physics

    Exotic particle packs a foursome of quarks

    Tetraquarks could help physicists understand the universe’s first generations of matter.