News

  1. Health & Medicine

    Gene behavior distinguishes viral from bacterial infections

    Researchers have identified signatures of viral infection, a distinction that may help doctors tell whether bacteria or a virus is causing trouble.

    By Laura Sanders
  2. Paleontology

    Bubbles may have sheltered Earth’s early life

    Bubbles formed on ancient shorelines offer scientists a new place to look for traces of early life.

    By Meghan Rosen
  3. Astronomy

    Exoplanets need right stuff to be habitable

    The elemental makeup of a star can reveal whether planets in its solar system could support sustained plate tectonics, a requirement for Earth-like life, researchers propose.

    By Thomas Sumner
  4. Life

    Tweaking the pattern equations

    A more than 60-year-old theory about how patterns in nature form gets an update.