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 ...

The shoe is most certainly on the other foot. On Monday, OpenAI CEO Sam Altman reportedly declared a “code red” at the company to improve ChatGPT, delaying advertising plans and other products in the ...

Some of the citations that underpin the science in the White House’s sweeping “MAHA Report” appear to have been generated using artificial intelligence, resulting in numerous garbled scientific ...