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 ...

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

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

MEMPHIS, Tenn. — Elon Musk’s SpaceX announced Monday that it has acquired xAI, the supercomputer, forming “one of the most ambitious, vertically integrated innovation engines on Earth.” “This marks ...