News

  1. Archaeology

    The debate over people’s pathway into the Americas heats up

    Defenders of an ice-free inland passage for early Americans make their case.

    By Bruce Bower
  2. Earth

    Global dimming may mitigate warming, but could hurt crop yields

    Injecting a veil of tiny particles into the atmosphere might reduce global warming, but it could also lower crop yields.

    By Carolyn Gramling
  3. Life

    Nasty stomach viruses can travel in packs

    Contained clusters of rotavirus and norovirus caused more severe infections in mice than the same viruses working solo.

    By Leah Rosenbaum
  4. Health & Medicine

    Zika may harm nearly 1 in 7 babies exposed to the virus in the womb

    A new CDC report tallies neurological and developmental problems, in addition to birth defects, possibly due to Zika in U.S.