The judge wrote it was “at best unclear” whether Musk, Marocco, and Lewin qualified as high-ranking officials for this doctrine.

Elon Musk just became the first person ever worth $800 billion or more after his rocket maker SpaceX acquired his artificial intelligence and social media company xAI. Forbes estimates that the deal, which values the combined company at $1.25 trillion, boosted Musk’s fortune by $84 billion, to a record $852 billion.

For much of the past three years, Elon Musk’s xAI has tried to compete against the leading AI labs, including OpenAI, the company he co-founded and later clashed with. The results have been mixed: xAI’s flagship product,

Elon Musk is joining his space exploration and artificial intelligence ventures into a single company before a massive planned initial public offering for the business later this year

As with SpaceX, then, Mr Musk is gambling Tesla’s future on AI, and his belief that he can harness his existing businesses to dominate the technology. Plenty of doubters have scoffed at his grand ambitions before. But never has Mr Musk put so much on the line. ■

Donald Trump is so far not stepping in to help Elon Musk end a lawsuit raised by the Securities and Exchange Commission (SEC) over his 2022 Twitter takeover, a US district judge said this week.

EXCLUSIVE: An ex-FBI agent sought to open an investigation into Elon Musk’s use of X while leading the Department of Government Efficiency (DOGE) in 2025, likening his activity to then-Secretary of State Hillary Clinton’s use of a private email server,

Elon Musk weighed in on Billie Eilish’s controversial Grammy Awards speech, where she denounced ICE and declared “F*** ICE” on stage. The tech billionaire responded publicly, sparking fresh debate over the singer’s political activism and past comments.