The biggest backer of OpenAI, Microsoft is now building its own AI models and teaming up with Sam Altman's mortal enemy.

Social media site X’s valuation has bounced back to $44 billion, according to a new report from the Financial Times.

In a statement, Gardner said, “I am stepping down as CEO to ensure that Amtrak continues to enjoy the full faith and ...

Elon Musk, the billionaire entrepreneur behind Tesla, SpaceX, and several other ventures, has built his fortune through ...

Elon Musk is facing pressure from Tesla's biggest investors over his involvement in President Donald Trump's administration.

The company is still valued at more than 100 times its earnings - but it faces problems that experts say go beyond questions ...

Elon Musk’s social network X has raised close to $1 billion in new equity from investors, according to people with knowledge ...

Elon Musk said the Tesla vandalism shocked him, adding that neither he nor his company have done "anything harmful." ...

Tesla stocks make up about a fifth of Christopher Tsai's $137 million portfolio.

Tesla founder Elon Musk addressed a wave of violent protests against the auto company's electric vehicles and infrastructure ...

Elon Musk's ties to the Trump administration have provoked protests and violent attacks on Tesla across the U.S.

Musk’s focus now appears to be the Department of Government Efficiency, and his unorthodox role as part of President Donald ...