At the federal courthouse in Oakland Wednesday -- the seventh day in the trial of Elon Musk's lawsuit against Sam Altman and OpenAI -- the jury heard the testimony of Shivon Zilis, a former OpenAI board member with a close and complicated relationship with Musk.

Elon Musk, the Tesla CEO, world's richest man and OpenAI cofounder, took the stand Tuesday in a high-stakes trial revolving around a bitter feud with his former friend Sam Altman that could reshape the future development of artificial intelligence.

In his second day on the stand in the trial he launched against OpenAI, Elon Musk said the AI start-up he'd helped found had strayed from its charitable mission.

Elon Musk’s rocket company SpaceX acquired his artificial intelligence firm xAI on Monday, according to reports. The deal gave the companies a whopping combined valuation of $1.25 trillion, according to Bloomberg. SpaceX acquired xAI to “form the most ...

Microsoft CEO Satya Nadella was called to the stand Monday at the ongoing Musk-v-Altman trial. But Nadella may have hurt Musk more than helped him.