Here’s what HRV is, how it works and what can cause it to rise or fall.

Your next heart-rate monitor may not be a smartwatch at all. Google's latest research hints at a surprisingly simple ...

Researchers developed Passive Heart-Rate Monitoring, a deep-learning smartphone system that estimates heart rate and daily ...

Google develops passive heart rate monitoring to measure heart rate accurately using a smartphone camera and deep learning technology.

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running: Simply don the device (watch, monitor, or other wearable), start your ...

Passive heart-rate monitoring during regular phone use could provide early warning of health issues — plus, testing Richard ...

They are forever embers in our orbit,” said Orlando’s poet laureate, Camara Gaither, reciting a poem at the remembrance.

If you've been eyeing the Garmin Forerunner 970, you may be drawn to two of its buzz-worthy features: running economy and step speed loss. But there's a catch: You can't access either metric without ...

Ten years after the shooting, survivors who spoke to CNN detailed their complicated – and still unfolding – recoveries, as ...

Cities are dynamic, not static grids, and urbanization is a "spiky," cyclical, and asynchronous process.

Researchers have developed an enhanced wearable motion-tracking system that could improve the accuracy of fitness trackers ...