Elon Musk will take the stand for his third day of testimony on Thursday, in a blockbuster trial that could help determine the future of companies racing to dominate artificial intelligence.

Elon Musk took the stand for a second day of testimony against OpenAI and its leaders in a lawsuit that could reshape the future of artificial intelligence, as the emerging technology has sent ripples...

Elon Musk’s second day testifying at trial was far from boring.