A beluga whale at Chicago's Shedd Aquarium is the first to successfully recover from general anesthesia in captivity after a surgery to remove a network of cysts.

One hundred years ago, the small town of Dayton, Tenn., became the unlikely stage for one of the most sensational trials in American history, over the teaching of Darwin's theory of evolution.

AAP and other leading health organizations allege that the health secretary violated federal law when he took the COVID vaccine off the list of recommended shots for pregnant women and healthy children.

A new study in the journal JAMA finds the health of America's children has worsened across several key indicators over the last two decades. That includes the number of children with chronic diseases.

Level up your knowledge of mosquito bite prevention with our quiz. It's full of surprising, science-backed tactics that may save you from getting eaten alive this summer.

Marine mammal researchers are investigating how sea lions were affected by the longest toxic algal bloom on record off the coast of Southern California. Some sea lions are being released back into the wild.

There was a circle in Maria Burns' yard where grass wouldn't grow and trees died. She knew what it was: An old natural gas well, plugged when she was a little girl, starting to leak again.

RFK Jr. stunned the global health world when he said the U.S. would halt funding the group that helps provide vaccines to many low-income countries. The study he cited is seen by others as dubious.

The deadly floods in Central Texas were caused by extremely heavy rain. Climate change is causing even more rain to fall during the heaviest storms.

NPR's Pien Huang speaks with pediatrician Alexandra Cvijanovich and Professor Jason L. Schwartz about trying to shore up trust about vaccines.