Mr. Trump had claimed the A.I. announcement as an early trophy, taking credit for the companies’ decision to spend up to $500 billion building data centers. By Theodore Schleifer and Cecilia ...

On January 14, hippies and other counterculture participants swarmed to the polo grounds in San Francisco’s Golden Gate Park in a gathering called the Human Be-In. Timothy Leary advised ...

By Ana Swanson Reporting from Washington The Biden administration issued sweeping rules on Monday governing how A.I. chips and models can be shared with foreign countries, in an attempt to set up ...