News

  1. Archaeology

    We’ve had fire for longer than we thought

    Archaeologists have unearthed new evidence that indicates hominids used fire up to 1.79 million years ago.

    By Tom Metcalfe
  2. Planetary Science

    A Mars rover found organic carbon just sitting on a rock

    The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

    By Fechi Inyama
  3. Physics

    A potential hindrance to fusion power may help instead

    Researchers were unsure whether alpha particles would aid or hinder fusion. Simulations suggest they help, by dampening turbulence.

    By Emily Conover
  4. Paleontology

    The world’s largest scorpion lived 415 million years ago

    A prehistoric scorpion was the largest ever to exist, and it may have preyed on land and freshwater species.