In this video, we explain car engine sensors, detailing their functions, operations, locations, and effects of malfunctions.

While O2 sensors have no fixed replacement schedule, your driving style and the health of other engine components can drastically affect its life span.

When the check engine light comes on, you may hesitate taking it to a mechanic who will charge you for a non-problem. Learn ...

Check the settings on Apple Watch, Galaxy Watch, Pixel Watch, Huawei Watch, and Garmin that can affect glucose alerts, ...

Apple Watch blood sugar tracking remains unconfirmed. Here's the latest on the timeline, patents, technical challenges, and what Apple Watch can do now.

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

Isar Aerospace Spectrum rocket has never reached orbit, yet Planet Labs Germany just gave Europe’s most-funded launch startup ...

Some ESPN.com editors were sitting around watching the two-man luge event during the 2006 Winter Olympics. "Hey, I could do that," one of us said. "Anybody halfway athletic could do that." At that ...

That soft green glow is doing more work than it appears. It is chosen not for aesthetics, but for accuracy, reliability and how the body absorbs light at rest and in motion. Words by: Rupert Taylor At ...

From grip strength to VO2 max, are you fit for your age?

Using a portable sensor, the technology analyzes exhaled biomarkers to detect lung conditions without a lab test or chest x-ray.

Shopping for yourself or a loved one on Amazon Prime Day? Here are the best fitness tech deals, including smartwatches, walking pads, and recovery gear.