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 ...

Many popular apps collect more of your personal data than necessary to function properly. These 20 apps quietly scoop up your photos, location, contacts, and more. Here's how to protect yourself. I ...

Your photos are probably taking up a lot of valuable storage on your iPhone. Here's how to clean it up. Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is ...

Kaitlin Sullivan is a health and science journalist based in Colorado. She's been part of multiple award-winning investigations into health topics including the international medical device industry ...