The two tech titans are in the meanest fight in business. The stakes couldn’t be higher.

Sam Altman asked a federal judge to take a look at the letter Elon Musk sent OpenAI in a bid to take over the company.

There is no OpenAI antitrust conspiracy, Altman tells Musk in their latest lawsuit volley. And Musk is hardly a "harmed' ...

A consortium of investors led by Elon Musk wants to purchase the nonprofit that controls OpenAI for almost $100 billion. Here ...

OpenAI CEO Sam Altman has soundly dismissed a $97.4 billion takeover bid backed by rival Elon Musk, but the unsolicited offer ...