Musk is combining rocket maker SpaceX with his AI startup, the largest tie-up in his expansive business portfolio.

Elon Musk’s SpaceX said Monday it is acquiring artificial-intelligence startup xAI, a move that significantly expands the rocket and satellite company’s ambitions in data centers and advanced ...

SpaceX has acquired artificial intelligence company xAI as part of a push to combine the two companies under a single corporate structure to integrate AI development with space launch, satellite-based ...

In the wake of cofounder exits, Elon Musk's hands-on management is reshaping the startup.