Tesla spent about $4.8 million on Elon Musk's security in 2025, up from $2.8 million the year before, according to an SEC filing.

Elon Musk sues Sam Altman over OpenAI's for-profit shift, with Satya Nadella among key witnesses in a high-stakes trial shaping AI's future.

Elon Musk took the stand for a second day of testimony against OpenAI and its leaders in a lawsuit that could reshape the future of artificial intelligence, as the emerging technology has sent ripples through the economy and financial markets.

Elon Musk boosted Ronan Farrow's profile questioning Sam Altman's trustworthiness as the two tech titans face each other in court.

Learn more Elon Musk's SpaceX is eyeing what could be the largest initial public offering (IPO) in history. With whispers of a valuation near $2 trillion, the IPO has ignited extreme hype. Yet the real question is whether jumping into SpaceX at launch makes financial sense.

The Securities and Exchange Commission (SEC) has reached a settlement with Elon Musk over the delayed disclosure of his stake in Twitter, the platform now known as X, according to court documents.

Elon Musk took the stand as the high-profile trial over the future of OpenAI kicked off on Tuesday — claiming that CEO Sam Altman took control of a group founded as a “charity” and improperly morphed it into a money-minting corporate juggernaut.