Robert F. Kennedy Jr. has said vaccines are not safe. His support for abortion access has made conservatives uncomfortable.

Robert F. Kennedy Jr. was once a darling in Democratic circles thanks to his environmental work and famous family. But he shouldn't expect a warm welcome from Senate Democrats at his confirmation hearings.

Donald Trump’s Justice Department cited an archaic statute in a legal filing Wednesday, arguing that the president’s executive order ending constitutionally guaranteed birthright citizenship should be totally kosher, since the children of Native Americans weren’t historically considered citizens, either.

About 40 top leaders joined the effort to prepare for avian flu and other emergencies. Kennedy instead lobbied senators on his controversial nomination.

U.S. President Donald Trump has nominated Robert F. Kennedy Jr. to lead the Department of Health and Human Services, which oversees Medicare.

Kennedy’s potential ascent as HHS secretary brings promise for backers of alternative-health approaches, while skeptics say those treatments are often unproven.

The nomination of Robert F. Kennedy Jr. to become the nation's top health official has put health advocates in an awkward position: voicing support for some of his proposals while warning of the catastrophic consequences of others.

Robert F. Kennedy Jr. now has a confirmation hearing scheduled in the Senate, but his nomination for health and human services secretary remains on shaky ground.

Bipartisan critics of Robert F. Kennedy Jr. are sharpening their arguments that he is unfit to serve as the nation’s top health official, embracing the extra time they have been given while Kennedy waits for his confirmation hearings to be scheduled.

Robert F. Kennedy Jr.'s personal attorney previously petitioned ... ABC News’ Linsey Davis speaks with Politico’s senior Washington correspondent, Rachael Bade, about what the nomination ...

Jewel has a message for fans who felt 'betrayed' by her performance at Robert F. Kennedy Jr.'s inauguration event: 'I really hope that we can push through our hurt.'

Robert F. Kennedy Jr. is distancing himself from his anti-vaccine work as he seeks to become the leader of the nation’s top health agency under President Donald Trump, according to government ethics documents released on Wednesday.