News

  1. Health & Medicine

    This dangerous pregnancy complication is common. A new treatment might help

    Preeclampsia complicates 3 to 8 percent of pregnancies. In a recent trial, a blood filter lowered blood pressure and helped prolong some pregnancies.

    By Tina Hesman Saey
  2. Astronomy

    The earliest evidence of the first stars may lie in a distant gas clump

    James Webb data reveal pristine gas irradiated by energetic light some 450 million years after the Big Bang — a sign it may house primordial stars.

    By Mara Johnson-Groh
  3. Genetics

    Ancient DNA tests the notion that allergies are due to our dirtier past

    An analysis of ancient DNA and modern disease risk suggests some immune genes may reduce allergy risk rather than increase it.