Musk is the world's richest man, owns one of its biggest communications platforms and is increasingly politically active. Washington is seeing how potent a blend that is.

Trump's statement opposing the bill came out several hours after Musk's posts.

Elon Musk appears to have revealed that the Securities and Exchange Commission issued him a "settlement demand" related to his $44 billion purchase of Twitter.

Elon Musk validated the use of GLP-1 drugs in a post on X on Wednesday. But Robert F. Kennedy Jr. has said he's opposed to Americans using them to fight obesity.

Elon Musk spent over a quarter of a billion dollars to help get Donald Trump back in the White House, according to newly released campaign finance records.

Work from home policies came under fire from Elon Musk as he and Vivek Ramaswamy took their plans to reduce government waste to the floors of Congress Thursday.

A judge again rejected Elon Musk's $50 billion Tesla payday. The compensation package would have made Musk the highest-paid executive ever.

Elon Musk and Vivek Ramaswamy will head to Capitol Hill next week to meet with Republicans on their plan to slash regulations and other parts of the federal government.

Trump appointed Elon Musk as co-head of the Department of Government Efficiency.

What we know about Elon Musk’s ‘Department Of Government Efficiency’ and bromance with Donald Trump.

Donald Trump's announcement that Elon Musk and Vivek Ramaswamy will lead a newly formed Department of Government Efficiency has alarmed some government ethics experts.

Donald Trump has announced that Elon Musk and Vivek Ramaswamy, a former presidential candidate and ally of Trump, will lead a new "Department of Government Efficiency."

Several people close to Donald Trump have stressed to ABC News the significance and influence billionaire Elon Musk has had in the Trump orbit over the last week.

The president-elect returned to golf at Trump International, the same course where an assassination attempt was made against him in September.

Elon Musk joined Donald Trump's phone call with Ukrainian President Volodymyr Zelenskyy on Wednesday, multiple sources with direct knowledge of the call told ABC News.

Elon Musk, the world's wealthiest person, has campaigned in support of Trump.

Musk, the world's richest person, has sought to help elect Donald Trump.

The Philadelphia district attorney sued Elon Musk and his super PAC on Monday over the billionaire's controversial $1 million giveaway.

The Justice Department has warned Elon Musk's America PAC that his $1 million giveaway to swing-state registered voters may violate federal law, a source says.

Musk, the world's richest person, is a prominent supporter of Trump.

In a series of town halls, tech billionaire Elon Musk has sought to harness his power as an influencer to help return Donald Trump to the White House.

In a letter to the Federal Communications Commission, 100 space researchers asked for the agency to pause new satellite launches to allow for environmental review.

Elon Musk has been in regular contact with Vladimir Putin since 2022, according to an article in the Wall Street Journal on Thursday.

Local election officials have been taking to X to refute owner Elon Musk's false election claims -- but their reach pales in comparison to Musk's 200 million followers.

The giveaway seems illegal, but occupies a blurry area of law, experts told ABC News.

Businessman Mark Cuban told ABC News that with two weeks until Election Day, the vice president has momentum on her side, but that she can improve as a salesperson.

While speaking at a town hall in Pennsylvania, tech CEO and Trump supporter Elon Musk repeated false conspiracy theories claiming that voting machines rig elections.

Tesla is set to hold an event Thursday titled “We, Robot” where the company is expected to unveil a fully autonomous vehicle that CEO Elon Musk has called a “Cybercab.”

In a statement Monday, the White House decried a now-deleted post by Elon Musk on X as "irresponsible."

The United Auto Workers Union has filed federal labor charges against former President Donald Trump and Elon Musk, the union said Tuesday.

Donald Trump’s conversation with Elon Musk on X Monday night started almost an hour late as the social media platform was plagued with technical difficulties

Musk endorsed Trump last month.

Noland Arbaugh, who is paralyzed from the shoulders down, became the first human patient to receive the Neuralink device in January.

Elon Musk's Neuralink told ABC News that it is looking to implant two more participants in the coming months.

The company is one of the worst-performing stocks in the S&P 500.

The move centers on a key issue in the fight to shape AI.

Elon Musk sued OpenAI and its CEO Sam Altman on Friday alleging the ChatGPT maker abandoned its mission of benefiting humanity in a sprint toward profits.

Neuralink says its goal is to help people living with debilitating conditions, including paralysis, communicate and control external devices with their thoughts.

The move would tie the company's fate closer to its high-profile founder.

Ongoing losses could make a sale attractive for Elon Musk but obstacles to such a move remain.