Robert F. Kennedy, President Trump’s nominee for health secretary, vigorously defended his views on vaccines, and a key senator still has clear doubts.

Alexandra Sifferlin, a health and science editor for Times Opinion, hosted an online conversation on Wednesday with the ...

The recent Senate confirmation hearings for Robert F. Kennedy Jr. presented a striking scene that would confuse a time ...

Robert F. Kennedy Jr. said he wasn’t antivaccine as senators pressed on his past remarks, in the first of two days of ...

Democrats focused on Kennedy's anti-vaccine advocacy. Republicans probed the former Democratic leader on his abortion and ...