News

  1. Health & Medicine

    Fluoride in U.S. drinking water does not reduce IQ, a new study finds

    Claims that fluoride in drinking water causes cognitive delays in kids are driving U.S. policy. A new study finds no evidence to back them.

    By Elie Dolgin
  2. Animals

    For gray whales, San Francisco Bay is becoming a deadly pit stop

    Climate change could be forcing gray whales to seek food in San Francisco Bay, where vessel strikes may be driving rising deaths.

    By Gennaro Tomma
  3. Space

    Artemis II ends its historic lunar journey

    After looping around the moon, the Artemis II crew — and their capsule’s heat shield — passed the mission’s final major test: coming home.