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Elon Musk said he had initially given SpaceX less than a 10 percent chance of succeeding. His rocket company has come a long way.

The blockbuster stock market debut of Elon Musk’s rocket company paves the way for a wave of enormous offerings that are coming from OpenAI and Anthropic.

With SpaceX shares soaring 20 percent on their first day of trading, the world’s richest person crossed another milestone — one with 13 digits.

Strong investor interest in SpaceX could be good news for the A.I. rivals, which have signaled that they, too, intend to go public this year.

OpenAI said that a coalition of states had opened an investigation over a wide range of its practices, including its handling of user data, safety of minors and advertising activit

The company said on Friday night that the federal government had ordered limits on its Mythos and Fable 5 A.I. systems, citing national security concerns.

If you have index funds — such as in a 401(k) — they may soon include shares of the mega company. Here’s a rough calculation.

A tech titan, a digital rights defender and two menacing-looking robot dogs took the stage at our second-ever live show.

In a lawsuit, the tech giant accused the group of using Google’s Gemini system to create hundreds of fake corporate and government websites.

Two Times tech reporters and their editor talk about assessing the sky-high valuation of the rocket and satellite maker, the potential economic impact of its public debut and the r

Elon Musk’s rocket company said it would sell more than 555 million shares at $135 each in its blockbuster initial public offering, which is set to begin trading on Friday.

Elon Musk’s rocket company is spending big and losing money. That has raised questions about whether it can justify its valuation for its blockbuster initial public offering.

As co-chief executive of the start-up Prometheus, the Amazon founder is using A.I. to improve how devices ranging from computers to jet engines are made.

Investors who bought the automaker’s shares in its initial public offering became rich. As a result, many have a deep faith in Elon Musk, the chief executive of Tesla and SpaceX.

At The New York Times’s Hard Fork Live event, Mr. Nadella addressed the backlash against artificial intelligence and President Trump’s comments about Americans sharing in the wealt