Musk's designation as the world's first trillionaire is based on dubious Wall Street math.

New Delhi: As the world admires Elon Musk, who achieved the feat of becoming the first trillionaire after the record-breaking ...

Elon Musk is the richest person in the world. At least, he was when we wrote this, but by the time you read it, that might have changed. After all, the wealth rankings are like the world's most ...

The trial over OpenAI has begun, kicking off a showdown between Elon Musk and Sam Altman. Musk, the CEO of Tesla, took the witness stand on Tuesday afternoon and testified about his early career and ...

Stock in Mr. Musk’s rocket and satellite maker closed just above $161, up more than 19 percent from its I.P.O. price. Ryan Mac and Lauren Hirsch Ryan Mac reported from Los Angeles and Lauren Hirsch ...