Plus, doctors’ number-one pick and their take on the devices.

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

After testing the Rally Orbital for two weeks, I finally know how a massage gun should feel. Your sore muscles will thank me later.

A manufacturing problem in Abbott glucose sensors for diabetes patients has been tied to at least seven deaths and hundreds of injuries worldwide.

Zen digesters” rarely fart. “Hydrogen hyperproducers” fart a lot. Scientists are investigating what is typical.

From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...