New chatbot technology can talk, laugh and sing like a human. What comes next is anyone’s guess.

Our columnist spent the past month hanging out with 18 A.I. companions. They critiqued his clothes, chatted among themselves and hinted at a very different...

Which A.I. system writes the best computer code or generates the most realistic image? Right now, there’s no easy way to answer those questions.

A Microsoft engineer noticed something was off on a piece of software he worked on. He soon discovered someone was probably trying to gain access...

The site’s journey from toxic cesspool to trusted news source illustrates the business value of keeping bad actors at bay.

Mr. Musk says in his complaint that the company’s technology is now so good that it must be made freely available to the public —...

A year ago, a rogue A.I. tried to break up my marriage. Did the backlash help make chatbots too boring?

A start-up called Perplexity shows what’s possible for a search engine built from scratch with artificial intelligence.

Parents, movie buffs and office workers might all succumb to the novelty of Apple’s new “spatial computing” device.

Toasting a year of breakthroughs (and a few breakdowns) in Silicon Valley and beyond.