After vowing in 2020 to shed nearly all his possessions, Musk quietly built more than 90 Texas-based companies.

The megabillionaire was tied to about 90 companies in the state, which he uses for everything from paying nannies to buying ...

For decades, the advice has been simple and relentless: start saving for retirement as early as possible, invest consistently, and hope the math works in your favor. But Elon Musk is challenging that ...

Elon Musk's AI said it raised $20 billion in new funding. CNBC reported in November that a financing round would value the artificial intelligence startup at about $230 billion. Elon Musk's xAI said ...