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.

Elon Musk, the world's richest person, questions if money buys happiness. Studies suggest income boosts happiness, but with diminishing returns.

Prosecutors in Paris said they asked Elon Musk to appear for questioning after searching X's offices in as part of a probe into sexual deepfakes.

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

Elon Musk has spent recent days on his social media site X trying to explain why he exchanged so many emails with Jeffrey Epstein. The billionaire Tesla CEO insists that Epstein was the one pursuing him.

Elon Musk is merging his SpaceX rocket company with his artificial intelligence startup xAI. The deal is valued at $1.25 trillion.

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. ■

European investigations into Elon Musk’s social media network X are escalating fast. Paris prosecutors’ cybercrime unit, along with Europol and French national police, raided

Elon Musk's mega-deal combining SpaceX and xAI is the latest sign that the billionaire is consolidating his business empire as he goes all in on AI.

The move followed a yearlong investigation into X and escalated a wider standoff between European officials and American tech companies over the regulation of social media.