It looks like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking. Here's how I mastered mine—and how you can, too.

After 16 weeks of testing, we noticed visible results. Here are our favorite red light therapy devices for hair growth.

Kara Tsuboi covers today's top tech stories. Ring is ending its Search Party feature, Firefox rolls out new AI-powered controls for users, and a rare planet parade will light up the night sky this ...