Health trackers like Apple Watches and Oura Rings already do a fine job at providing insights into health patterns and trends. But sometimes, software comes along that offers a little something else ...

After a cardiac arrest, families and doctors are often faced with agonizing uncertainty about a patient's chances of recovery ...

Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

Windows 11 has a built-in report that provides insight into your laptop's battery status, including whether it's time for a replacement.

Millions of people rely on wearable devices to monitor how well they're sleeping. Sleep trackers don’t necessarily measure ...

Scientists have launched a fresh effort to find out what could be producing oxygen at the bottom of the Pacific Ocean.