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

Meanwhile, Vice President Kamala Harris is back on the campaign trail for the first time since the Democratic National Convention.

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.

The son of Democratic icon Robert Kennedy suspended his independent campaign and endorses Republican nominee Donald Trump.

Correspondent and ABC News contributor Asma Khalid take a closer look at the race for the presidency.

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.

Robert F. Kennedy, Jr. announced he's suspending his presidential campaign, endorsing Trump and working to remove his name from ballots in battleground states where he would be a "spoiler" for Trump.

ABC News’ Phil Lipof speaks with former mayor of Baltimore and former secretary of the Democratic National Committee Stephanie Rawlings-Blake to discuss VP Harris’ rise within the democratic party.

ABC News’ Phil Lipof speaks with republican strategist Tricia Mclaughlin after RFK Jr. suspends his campaign and endorses former President Donald Trump.

Robert F. Kennedy Jr. suspended his presidential campaign on Friday and endorsed former President Donald Trump.

Kerry Kennedy, human rights activist, lawyer and sister to Robert F. Kennedy, joins the show.

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

Robert F. Kennedy Jr. announced Friday he is suspending his long-shot campaign for president and instead supporting former President Donald Trump.

Galen Druke, host of the 538 politics podcast, breaks down how Kennedy dropping out could impact the race and what an endorsement might do for former President 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 has withdrawn his petition to be on the Arizona ballot, a state official tells ABC News, marking the first tangible sign he plans to exit the presidential race.

Former trump administration official Sarah Isgur and former Obama adviser discuss if Democrats should allow a Palestinian American to speak and about RFK possibly dropping out of the race.

Robert Kennedy Jr., a life-long Democrat-turned Independent candidate for president, plans to pull the plug on his campaign and endorse Donald Trump, sources tell ABC News.

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.

Robert F. Kennedy Jr. is expected to withdraw from the presidential race this week and is reportedly planning to endorse Donald Trump, sources familiar with the decision told ABC News.

Sources say RFK Jr. is planning to drop out of the race. Democratic strategist Jonae Wartel and former adviser to Sen. Tim Scott (R-SC), Matt Gorman join the show.

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

Independent presidential candidate Robert F. Kennedy Jr. recently sought a meeting with Vice President Kamala Harris, sources said.

Independent presidential candidate Robert F. Kennedy Jr. admitted in a new video he left the dead bear in the park 10 years ago beside an old bicycle because he thought it would be “amusing.”

The presidential candidate has admitted he was responsible for a dead bear cub that turned up in Central Park in 2014, shedding light on a decade-old mystery. ABC News’ Rhiannon Ally has the details.

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.

Trump invites former rivals to address the RNC. Plus, a secretly recorded phone call reveals Trump’s effort to win the endorsement of Robert Kennedy Jr.

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. fell short of meeting debate polling requirements before the deadline.

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.

Robert F. Kennedy Jr.'s campaign on Wednesday is commenting on a New York Times report mentioning his claim that a worm was found in his brain more than a decade ago.

In this installment of the 538 Politics podcast, we ask if a new poll from the Robert F. Kennedy Jr. campaign is a good or bad use of polling.

A key figure in Robert F. Kennedy Jr's effort to make the ballot in all 50 states was arrested Saturday in New York City for allegedly striking a woman.

Robert F. Kennedy Jr.'s running mate Nicole Shanahan has been almost completely absent on the campaign trail.

Independent presidential candidate Robert F. Kennedy Jr. has ruled out a run as a Libertarian candidate to assist in his efforts to get on the ballots in all 50 states.

Robert F. Kennedy Jr.'s campaign ended its contract with a consultant seen on video encouraging people to vote for him to get "rid of Biden" even if it helps Trump

Robert F. Kennedy Jr. said Friday he is still “listening” to arguments about the riots at the U.S. Capitol on Jan. 6, 2021, to try to “hear every side.”

RFK Jr. on Tuesday doubled down on his suggestion that Biden is a greater threat to democracy than Trump

Robert F. Kennedy Jr. rejected that he selected lawyer Nicole Shanahan as his running mate because she is wealthy enough to help fund his effort to access states' ballot.

Tulsi Gabbard declined an offer to be Robert F. Kennedy Jr's running mate in his independent presidential bid, she tells ABC News

RFK Jr.'s sister Rory Kennedy said that his bid for the White House makes her "very concerned" about the likelihood it could prompt a Trump victory over Biden

The independent candidate announced his choice at an event in Oakland.