Greg Brockman, OpenAI’s president, testified in a trial pitting Mr. Musk against his company that the world’s richest man was eager to change how it operated as a nonprofit. By Cade Metz and Mike ...

Elon Musk’s SpaceX, along with its artificial intelligence subsidiary xAI, is reportedly among a select group of companies competing in a classified Pentagon prize competition to develop ...

Sam Altman, OpenAI’s chief executive, defended the company against Elon Musk’s allegations that the start-up betrayed its founding mission. Mr. Musk’s lawyer assailed Mr. Altman as untrustworthy. Cade ...

SpaceX (SPACE) has adopted corporate governance policies that will give CEO Elon Musk sweeping authority and limit shareholder rights when it goes public, Reuters reported after reviewing excerpts of ...

The X owner has repeatedly sounded off on the film's diverse casting, including trans actor Elliot Page's rumored role as Achilles. By Kevin Dolak Elon Musk has again weighed in on Christopher Nolan‘s ...

OAKLAND, Calif. — Federal judge Yvonne Gonzalez Rogers had stern words for Tesla CEO Elon Musk as she prepared to open the trial in his case against ChatGPT-maker OpenAI and its chief executive Sam ...

OAKLAND, Calif. — Shivon Zilis had her back against the wall. For more than six years, the tech executive had worked largely outside the public eye as a trusted confidante to Tesla CEO Elon Musk and ...

Lei Jun, the Chinese billionaire and CEO of smartphone and electric vehicle company Xiaomi, leaned in for a selfie at a state dinner with his seemingly annoyed American manufacturing rival Elon Musk, ...

Washington — Billionaire and former Trump administration official Elon Musk is one of the high-powered business leaders who have been invited to be a part of the U.S. delegation to China this week, ...

Elon Musk visited Intel’s chip factory in Hillsboro this week, the billionaire said Friday, to meet with Intel CEO Lip-Bu Tan two weeks after Musk announced a vague partnership with the chipmaker.

WSJ’s Angel Au-Yeung reports from outside the federal courthouse in Oakland, Calif., where Elon Musk last week ended three days of testimony in the trial between him and OpenAI’s Sam Altman. Photo: ...

Elon Musk officially announced plans for his Terafab project in March to make chips for Tesla, SpaceX and xAI. New filings show the first phase will cost $55 billion and could scale to $119 billion ...