A secretive technology investment group that is a top backer of Elon Musk’s companies will close to external investors, after racking up such big gains that it is no longer dependent on outside financing.

Elon Musk is integrating AI across his companies and blurring the lines between them.

SpaceX is gearing up for Starship's tenth test flight in early August, as confirmed by Elon Musk on July 14, 2025. Despite a recent upper-stage explos

AI safety researchers from OpenAI, Anthropic, and nonprofit organizations are speaking out publicly against the “reckless” and “completely irresponsible” safety culture at xAI, the billion-dollar AI startup owned by Elon Musk. The criticisms follow weeks of scandals at xAI that have overshadowed the company’s technological advances.