Two dozen journalists. A pile of pages that would reach the top of the Empire State Building. And an effort to find the next revelation in a sprawling case.

Deep research, which OpenAI first launched last year, has ChatGPT scour the web to compile an in-depth report about the topic ...

Have you ever lost a Word document due to an unexpected PC crash? Just this week, I experienced this firsthand. Hours of work vanished when my document disappeared. I didn’t panic, though, because my ...

Even Wall Street takes days off. The regular schedule for the New York Stock Exchange and Nasdaq is Monday through Friday from 9:30 a.m. to 4 p.m. Eastern time with weekends off. There are also ...