News

  1. Life

    Evolutionarily, grandmas are good for grandkids — up to a point

    Women may live past their reproductive years because they help their grandchildren survive, but there are limits to that benefit.

    By Sujata Gupta
  2. Climate

    2018 was the fourth-hottest year on record, and it’s getting even hotter

    Record-level rains and temperatures struck different regions of the world in 2018, the fourth warmest year on record.

    By Jeremy Rehm
  3. Climate

    Collapsing ice cliffs may not contribute to sea level rise

    Scientists debate a controversial hypothesis that suggests that massive crumbling ice cliffs could speed up future sea level rise.

    By Carolyn Gramling
  4. Health & Medicine

    Why some children may get strep throat more often than others

    Kids with recurrent strep throat appear to have a defective immune response to the bacteria that cause the infections, a study finds.