News

  1. Cosmology

    Gold seen in neutron star collision debris

    Material ejected in gamma-ray bursts may be a main source of the heavy elements.

    By Erin Wayman
  2. Life

    Gut microbes get first dibs on heart meds

    Some people harbor a strain of bacteria that chews through cardiac medication before it can treat symptoms.

    By Jessica Shugart
  3. Astronomy

    Milky Way’s black hole pulling in gas cloud

    Galaxy's maw begins to tear apart and change the velocity of an approaching object.

    By Andrew Grant
  4. Life

    Microbes can draw the line between species

    Wasps' gut inhabitants can kill or save crossbreeds.

    By Susan Milius
  5. Anthropology

    War arose recently, anthropologists contend

    Infrequent killings among hunter-gatherer groups fit a scenario of a largely peaceful Stone Age, a study concludes.