The fast-tracked deal is premised on SpaceX’s satellite prowess combining with xAI’s technology.

FBI documents show both tech billionaires exchanging friendly messages with Jeffrey Epstein long after his Florida conviction.

Elon Musk has changed his focus from Mars to a lunar base, going head to head with Jeff Bezos.

Will regulatory hurdles give China the edge in orbital data centers?

Michael Grimes is leaving the government to return to Morgan Stanley and work on possibly the biggest initial public offering ever.

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey. Photo: David Hall Elon Musk said SpaceX acquired xAI, a deal that ...

From early on, what has set the human species apart from all others is the ability to direct ever-increasing power toward our ...

The Justice Department posted millions of records, including emails with Elon Musk, Howard Lutnick, Steve Tisch and Bill Gates.

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Jessica Mendoza: This week, billionaire entrepreneur, Elon Musk, announced some ...

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...