Sam Altman insisted that Elon Musk was again obsessed with him because of an OpenAI model release earlier this week.

The iPhone maker filed the suit Friday in a California federal court, accusing OpenAI and two former Apple employees who now ...

A social media fight erupted after their companies launched competing AI models one day apart.

That’s the peak of Musk’s net worth, achieved on June 16 as SpaceX shares hit an all-time high, above $225. Since then, the ...

Elon Musk says SpaceX will be worth more than Earth if it achieves its goals. Here's what triggered the claim and what it ...

OpenAI CEO Sam Altman and SpaceX CEO Elon Musk do not like each other. That dislike was on full display on social media over ...

A look at the science behind Elon Musk's goal of a million-person city on Mars, and why planetary scientists say terraforming ...

Should Anthropic trust Elon Musk to host its models? With about $40 billion in revenue at stake, Musk insists that the ...

China's Long March rocket has now matched Elon Musk's SpaceX and Jeff Bezos' Blue Origin in returning a first-stage booster.

So when Mr. Musk says humanity is going to Mars, these equity investors see a civilization in space, not a black hole of ...

Nathan Johnson, the Democratic nominee for attorney general, said he wants to determine whether SpaceX is unfairly getting ...

Some market watchers are puzzled that shares in Elon Musk’s rocket and A.I. company have stalled out despite major interest ...