Limits on how many planes can take off have now been lifted, after a day of delays and cancellations.

Kelly Bayer Rosmarin has been under pressure to quit after overseeing a tumultuous period for the firm.

The lawsuit says four of the largest social media firms knowingly expose children to harmful products.

Using electromagnetic waves to flummox and follow smarter weapons has become a critical part of the cat-and-mouse game between Ukraine and Russia. The United States, China and others have taken […]

Mr. Altman was forced out of the artificial intelligence start-up on Friday, leading to an outcry from his supporters and the company’s investors.

The departure of the high-profile boss of the San Francisco company drew attention to a philosophical rift among the people building new A.I. systems.

Warner Bros. and Sony have joined other companies in pausing spending on X, formerly Twitter, over Elon Musk’s endorsement of an antisemitic post.

Sam Altman, who was forced out of his company on Friday afternoon, was quickly moving to create another company with another OpenAI executive who quit on Friday.

Hundreds of riding hours later, I still love my Schwinn IC4 spin bike.

Rome wasn’t built in a day and neither is a skin care routine. Here are 14 of our favorite products worth gifting this year to help build the perfect skin […]