If confirmed, Robert F. Kennedy Jr. will have broad influence over federal agencies and health care policy — a prospect that worries many in public health given his history of conspiracy theories.

Federal data shows that rates of new sexually transmitted infections are slowing in the U.S. It's a rare sign of improvement that suggests prevention efforts are working.

Scientists are reconsidering old information about Uranus. NPR's Scott Simon explains the problem with photos taken of the ...

Telehealth providers say requests for the pills have spiked since the election. Patients and doctors worry what a Trump ...