News

  1. Neuroscience

    Women have a new weapon against postpartum depression, but it’s costly

    The newly approved drug brexanolone simulates a natural hormone to alleviate symptoms of postpartum depression.

    By Jeremy Rehm
  2. Paleontology

    Newfound fossils in China highlight a dizzying diversity of Cambrian life

    A new treasure trove of Cambrian fossils in China dating to 518 million years ago could rival Canada’s Burgess Shale.

    By Carolyn Gramling
  3. Health & Medicine

    Saving monkey testicle tissue before puberty hints at a new way to preserve fertility

    Frozen testicle tissue samples from prepubescent monkeys transplanted back onto those monkeys once they matured produced sperm.

    By Aimee Cunningham
  4. Health & Medicine

    A new ketamine-based antidepressant raises hope — and questions

    Little is known about the long-term effects on people of a newly approved antidepressant based on the anesthetic ketamine.