Nevertheless, the deals — and xAI’s developer and consumer-facing products — have driven xAI’s revenue to around $100 million ...

Elon Musk might be all the rage in Washington these days, but his mom, Maye Musk, is lighting up Beijing—and the other cities ...

Employees of SpaceX have filed a formal petition to create the city of Starbase. Its first mayor would be a security manager ...

Elon Musk reposted a critique of MacKenzie Scott for giving billions of dollars to liberal nonprofits and said the giving ...

Elon Musk's xAI, the startup behind the Grok chatbot and Colossus supercomputer, raised $6 billion in a Series C funding ...

Meet the key figures at Elon Musk's xAI, the $50 billion startup behind the chatbot Grok that's taking on ChatGPT.

The world’s richest man has become a new kind of oligarch.

A lot of compute is needed,” Mr. Musk said in a post about the financing, in which BlackRock, Fidelity and Sequoia ...

Elon Musk, the billionaire tasked with making the US government more efficient come January, has zeroed in on the Federal ...

A look at the people who influence the world’s richest man, and those who stand to gain from their association with him now.

The billionaire got more of what he wanted out of the spending bill than President-elect Donald Trump did. But his role and ...

When the billionaire called Rep. Rosa DeLauro an "awful creature," it was a problem. When Elon Musk called for her expulsion, ...