Globally, nearly half of the world’s population experienced at least 30 extra days of extreme heat between May 2024 and May ...

There have been at least 1,277 confirmed cases of measles reported in the U.S. in 2025, according to data from a Johns ...

The FDA's Dr. Vinay Prasad said that he disagreed with the agency's career vaccine reviewers about COVID shot approvals.

E. coli or enterococci, which indicate fecal matter contaminating water, were detected at swim spots in New York state, Massachusetts, Michigan and elsewhere, authorities said.

Officials have closed off swimming at beaches in at least six states due to high bacteria levels. Here's where those closures ...