Robert F. Kennedy Jr.'s personal attorney previously petitioned the Food and Drug Administration to revoke its approval of a polio vaccine.

New polling shows Republicans hold an overwhelmingly positive view of Robert F

Robert F. Kennedy Jr. returned to the Hill Tuesday to make his case to Republican senators for leadership of the Dept. of Health and Human Services.

Robert F. Kennedy, Jr., hit Capitol Hill Monday in a bid to bolster his chances of leading the Health and Human Services Department for President-elect Donald Trump.

Robert F. Kennedy Jr. heads to Capitol Hill Monday to meet with senators and their staff in his bid to become the nation’s next health secretary.

His remarks come days before he holds confirmation meetings with GOP senators.

Robert F. Kennedy Jr., Donald Trump's pick to lead HHS, will meet with multiple senators next week to seek their support ahead of Senate confirmation hearings.

Robert F. Kennedy Jr. has vowed to crack down on food dyes and pesticides. He may run into opposition from his own party, which dislikes broad federal regulation.

Named to lead the nation’s sprawling Department of Health and Human Services, Robert F. Kennedy Jr. has big ideas for busting public health policy norms.

RFK Jr.'s controversial views have received criticism since he was picked by Donald Trump to lead HHS -- but he's also receiving support from some unexpected sources.

Mike Pence said choosing Robert F. Kennedy Jr. is a departure from what he framed as the Trump-Pence administration's general opposition to abortion access.

Doctors are worried Robert F. Kennedy Jr. will tout anti-vaccine views after he was picked to lead the Department of Health and Human Services by Trump.

With RFK Jr. nominated for Secretary of the Department of Health & Human Services, these are all the agencies, including the CDC, that he would oversee.

House Republicans had mixed reactions to Trump's announcement that he would nominate Robert F. Kennedy Jr. to be HHS secretary.

New York City Eric Adams visited "The View" Friday to give his thoughts on President-elect Donald Trump's presidency and what it will mean for the city.

Kennedy has advised the transition team on health related-choices, sources said.

Robert F. Kennedy Jr. said earlier this week that former President Donald Trump has "promised" him "control of the public health agencies."

Robert F. Kennedy Jr., who has been advising the Trump transition team, has recommended a fellow vaccine skeptic to lead the Health and Human Services Dept., sources say.

New York Magazine placed its Washington correspondent, Olivia Nuzzi, on leave this week after an alleged relationship with RFK Jr.

The NOAA is investigating Robert F. Kennedy Jr. after the resurfacing of a decades-old incident in which Kennedy allegedly drove a dead whale’s head across state lines.

An appeals court judge has halted the start of the early voting process in North Carolina.

He wanted off swing-state ballots to avoid taking votes away from Donald Trump.

An environmental group wants NOAA to investigate whether the former presidential candidate violated the Marine Mammal Protection Act.

Robert F. Kennedy Jr. and Tulsi Gabbard, two previous Democrats, have joined former President Donald Trump's transition team, the campaign confirmed to ABC News.

Robert F. Kennedy Jr. and former President Donald haven't always gotten along, both hurling insults throughout their campaigns.

Robert F. Kennedy Jr. announced Friday he is suspending his longshot campaign for president and instead supporting Donald Trump.

Polls show Robert F. Kennedy Jr.'s supporters only slightly favor former President Donald Trump.

RFK Jr. has withdrawn his petition to be on the Arizona ballot, a state official tells ABC News, marking the first tangible sign he plans to exit the presidential race.

Robert Kennedy Jr. is planning to drop out of the presidential race by the end of this week, sources familiar with the decision tell ABC News.

RFK Jr. considering ending campaign and endorsing Trump, running mate says.

Donald Trump and Robert F. Kennedy Jr. spoke multiple times this month, including discussing ways Kennedy could be involved in a second Trump administration, sources say.

Robert F. Kennedy Jr. came up short of qualifying for the first general election debate.

Conspiracy theories pushed by Robert Kennedy Jr. claiming that major U.S. media outlets are controlled by the CIA are "classic techniques of propaganda," an expert says.

Robert F. Kennedy Jr. would be the first independent or third-party candidate to qualify for a general election debate since 1992.

Donald Trump said Sunday that, following an appearance at the Libertarian Party convention, he could not have been nominated by the party.

A split-screen showdown between Donald Trump and Robert F. Kennedy Jr. will occur this weekend at the Libertarian National Convention.

Independent candidate Robert F. Kennedy, Jr. is set to speak Friday at the Libertarian Party's national convention. The party has ballot access in at least 37 states.

Nicole Shanahan is a 38-year-old lawyer and tech entrepreneur in the Bay Area.

Three decades after Perot participated in three presidential debates, Robert F. Kennedy Jr. hopes to get on the debate stage, too.

Independent presidential candidate Robert F. Kennedy Jr. spent a week dogged by self-damaging rhetoric, but had good ballot access news this week.