The study treats fraud as an internet-scale data issue. Claims arrive, change, and get validated through online services, ...

More college students are using AI chatbots to help them with their studies. But data recently released by an AI company shows they're aren't the only ones using the technology.

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...