That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...

Wrist pulse oximeters can look similar, making it hard to decide which one to buy. This in-depth guide covers everything you need to know to find your best fit.

When you’re driving your car, you’re probably regularly looking at the speedometer to make sure you comply with the local speed limits. The method by which it works is simple enough: ...

An international team, including the University of Tokyo, has created a sensor inspired by the lateral line in fish - their ...

Compare the Apple Watch, Samsung Galaxy Watch, and Pixel Watch for blood sugar tracking, CGM alerts, health trends, battery ...

Engineers have developed a new way to monitor how tiny lab-grown human heart tissues beat—by effectively "listening" to the ...

Amid a national push to reduce screen time in schools, elementary and middle school students report less of their free time is spent reading. Limited time: Save 25% on NBC News subscription Get ...

ADELPHI, Md. – Army scientists achieved a major milestone in quantum sensing technology that could transform how electromagnetic signals are detected on the battlefield. For the first time, scientists ...

After two weeks with Google’s Fitbit Air, I find it to be an impressive health tracker led by unique AI coaching, useful data insights and a reasonable price tag.

Bringing direct-to-device satellite connectivity to millions more people in the through the market leading smartphone, Virgin Media O2 has switched on its O2 Satellite service for the iPhone. Launched ...

SpaceX has won a lucrative contract to provide the US military with a means of distributing space-based sensing and targeting data, forming the “backbone” of a rearchitected network after separate ...

A China-backed persistent threat actor known as Webworm is targeting governmental organizations across Europe, and it's using unusual command-and-control mechanisms to do so. Security vendor ESET this ...