News

  1. Earth

    Ground shakes expose faraway earthquake hot spots

    A major earthquake in Costa Rica revealed faraway areas where fluids have weakened rock and boosted the risk of a major earthquake, new research suggests.

    By Thomas Sumner
  2. Astronomy

    To search for an advanced civilization, take a U-turn to star clusters

    Globular star clusters might be safe, stable homes for long-lived advanced civilizations.

    By Christopher Crockett
  3. Genetics

    The Iceman tells a new tale: Infection with ulcer-causing bacteria

    Ötzi the Iceman was infected with a virulent strain of H. pylori. A new study is the first to piece together an ancient genome of these bacteria.

    By Meghan Rosen
  4. Oceans

    Phytoplankton flunk photosynthesis efficiency test

    Nutrient-poor ocean waters make phytoplankton photosynthesis inefficient

    By Chris Samoray
  5. Paleontology

    Saber-toothed salmon teeth more like tusks than fangs

    Saber-toothed salmon teeth may not have been positioned like fangs at all.