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 ...

A car that hesitates when the accelerator is pressed is usually experiencing a fuel delivery problem, an ignition issue, ...

A medieval fortress hidden in a swamp in Poland reappears with 244 objects and reveals life between the 10th and 13th centuries.

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 ...

Her German shepherd saved her life by detecting cancer in its earliest stage–and now an E-nose can detect tumors with AI chemical training.

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

A black Fender Stratocaster played by Pink Floyd’s David Gilmour has smashed the record for the most expensive guitar sold at auction. The Strat, which Gilmour used to record Pink Floyd’s iconic ...

The escalating U.S. conflict with Iran is now spilling over into the world of Formula 1. Two highly anticipated Middle East races—the Bahrain Grand Prix and the Saudi Arabian Grand Prix—have been ...

While fuel cells generate clean energy, fuel cell sensors generate precise measurements and are a gold standard for breath alcohol analysis.

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

Editor's note, March 6, 2026: The Eight Sleep Pod 3 Cover was previously named best mattress cover sleep tracker. It has since been discontinued, but newer versions such as the Eight Sleep Pod 4, ...