Mira Murati, the chief technology officer, and two others are leaving as leaders including Sam Altman work to transform the start-up.

In a major address in Pittsburgh, the vice president praised business and used technical language to court economy-minded voters skeptical of big government.

In a major address in Pittsburgh, the vice president praised business and used technical language to court economy-minded voters skeptical of big government

Sam Altman, OpenAI’s chief executive, is talking to the United Arab Emirates, Asian chipmakers and U.S. officials to expand the computing power needed to build… Read More »Behind OpenAI’s Audacious Plan to Make A.I. Flow Like Electricity

A pair of restless entrepreneurs are releasing pollutants in the sky to try to cool the planet.

The vice president is expected to deliver one of her most detailed addresses yet on the issue, as she seeks to strike a delicate political… Read More »Inside Kamala Harris’s Big Economic Pitch

The former president’s efforts to compel companies to remain in the United States had limited success while he was in the White House.

The son-in-law of former President Donald J. Trump has said he has intentionally moved slowly to invest investors’ money, which came primarily from foreign entities.

Here’s how they’re preparing to make calls in a very tight race — and ensure that viewers and readers believe them.

France’s new prime minister, Michel Barnier, has opened the door to reversing some of President Emmanuel Macron’s tax cuts in an effort to fix the… Read More »France Prepares to Raise Taxes on Businesses and the Rich