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 ...

Secretary of Defense Pete Hegseth is planning a massive overhaul of the U.S. military’s command structure, which would downgrade headquarters in Europe, Asia and Africa, according to a new report.

No. 3 Texas A&M volleyball swept No. 1 Pitt in three straight sets to punch a ticket to the national championship for the first time in program history. A packed T-Mobile Center energized the Aggies ...