3I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some researchers suggest it could even be alien-made, drawing comparisons to probes ...

The wearable tech landscape has changed dramatically since the first fitness trackers arrived over a decade ago. For years, the only option was a simple wristband that could track your daily steps and ...

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the top fitness trackers we've tested. I’m PCMag’s senior writer covering ...