The Department of Defense is set to begin using Elon Musk's controversial chatbot Grok, according to a Monday announcement by the tech billionaire's startup xAI.

Elon Musk confirmed Tesla will poll shareholders on investing in xAI, following a report of SpaceX's $2 billion investment.

Elon Musk ruled out a merger between Tesla and xAI but said he plans to hold a shareholder vote on investment in the artificial intelligence startup by the automaker, in the latest step to deepen ...

Tesla will give its shareholders the option to invest in artificial intelligence startup xAI, billionaire owner of both companies Elon Musk said on his social media platform X.