Telsa CEO Elon Musk spent part of his final day testifying in an Oakland courtroom Thursday hearing a federal judge warn him not to talk about “extinction” and his fears of artificial intelligence killing humanity.

Elon Musk on Thursday sparred with an attorney for OpenAI during his third day of testimony in the contentious trial over the company’s pivot from nonprofit status to a for-profit venture valued at hundreds of billions of dollars.

On his third day of testimony, Elon Musk will be cross-examined by lawyers from OpenAI and Microsoft. His answers on the stand grew testy on Wednesday.

Elon Musk made repeated references to an AI "Terminator" scenario while testifying before a California federal jury about OpenAI's for-profit move.

The most obvious Elon Musk investment is his $1.6 trillion electric vehicle and technology company, Tesla. Musk owns about 12% of Tesla's stock, and he serves as the CEO of the company.

The documents filed by SpaceX with Stock Exchange Commission (SEC) show that Elon Musk will 200 million super-voting shares of the company if he can fulfil certain conditions, such as establishing a colony on Mars with 1 million inhabitants.

Elon Musk‘s SpaceX is expected to debut Starship V3 soon, but a new video posted this week confirmed for the first time that a nitrogen system explosion destroyed the first Version 3 last year. As the company moves toward what may become the biggest IPO ever,

Elon Musk’s first compensation figure after Tesla Inc. shareholders approved his moonshot pay package is in, and it’s a doozy: $158 billion.