Starbase is Elon Musk's city in Texas for SpaceX employees. Here's the lowdown on its history, government, and controversy.

The startup is leaning on Musk’s business empire to play catch-up in the AI race.

Elon Musk’s xAI is preparing to raise more money from investors in a deal that could value the artificial intelligence company as high as $200bn — 10 times its value early last year, according to people close to the talks.