A driver’s frustrating check-engine saga is making the rounds after a repair estimate swung from “brace yourself” to “that’ll ...

A check engine light that returns after being reset means the underlying fault has not been repaired, only cleared from the vehicle’s diagnostic memory. The OBD-II system monitors engine and emissions ...

Accurately measuring small shifts in biological markers, like proteins and neurotransmitters, or harmful chemicals in the water supply, can identify critical problems before they have a chance to ...

Want crisp images? Cleaning your camera's sensor reduces smudges and particles from appearing on your images — here's how to do it.

Diagnosing some diseases could be as easy as breathing into a tube. MIT engineers have developed a test to detect ...

With volatile fuel prices hitting drivers nationwide, a few simple maintenance tools can help keep your car running at its most efficient.

Around 20–40% of the general population are estimated to have insulin resistance—a condition where insulin begins to be less ...

Researchers have created “Smart Underwear,” a wearable device that measures flatulence by detecting hydrogen produced by gut microbes. Early tests suggest people may pass gas about 32 times a day—much ...

Our editors tested two popular glucose monitors to determine which is the best for improving ​​diet, sleep and exercise habits.

The devices are essential, and it’s well worth considering the newest models.

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