Anti-vaccine activist Robert F. Kennedy Jr. has faced intense scrutiny for a number of reasons — which also include his ...

For years, Robert F. Kennedy Jr. has raised questions about vaccine safety. Now, as the Secretary of Health and Human ...

The Kennedy family has long been rooted in American politics. Here's what you need to know about the family tree.

Health and Human Services Secretary Robert F. Kennedy Jr. this week made his strongest endorsement yet of the measles vaccine ...