Your vehicle's O2 sensor plays a significant role in its performance and if it's faulty, it's not something you should ignore. Here's what you need to know.

If you want to know more than one thing, you need more than one sensor. In fact, many engines today have not just two oxygen sensors, but four.

From roof racks to tires, maintenance and driving habits, you can likely save hundreds of dollars per year at the pump.

I Wore the Whoop Band and the Apple Watch for Months and Found the Best Fit ...

An overnight pulse oximetry test checks your blood oxygen levels while you sleep. It's not enough to diagnose sleep apnea, but it can show if you need more tests. An overnight pulse oximetry test is a ...

VO2 max is a measure of the maximum amount of oxygen the body can handle during intense exercise. A doctor explains how it's ...

Ever wondered what it feels like to ascend an 8,000-meter peak without supplemental oxygen? Mountaineer Stefi Trouget takes ...

Brazilian researchers have developed an electrochemical sensor that can detect pancreatic cancer in its early stages. The ...

A research team at IDM is leading the development of a sensor that paves the way for the rapid, selective and cost-effective ...

I’m PCMag’s senior writer covering smart home and wearable devices. I’ve been reporting on tech professionally for nearly a decade and have been obsessing about it for much longer than that. Prior to ...

Background and objective Kidney transplant recipients (KTRs) face elevated cardiovascular risk, partly due to reduced ...