Conspiracy theories are not harmless. They have consequences, and this time, one of those consequences was deadly.

They said they are fed up with how they and their work are being derided and impugned by conservatives and anti-vaccine activists.

A potential breakthrough in the ongoing AIDS crisis could be deprioritized due to the decisions of noted vaccine skeptic Robert F. Kennedy, Jr.

The man who attacked the CDC headquarters in Atlanta on Friday fired more than 180 shots into the campus and broke about 150 ...