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

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

Tesla shares have fallen more than 40% since January — erasing all of the “Trump bump” that briefly saw the stock gain more than 90% after Election Day. Musk, whose wealth is overwhelmingly linked to ...

Billionaire tech executive Elon Musk’s relationship with party leaders in China is in the spotlight as the trade war ramps up ...