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 ...

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

If a truck driver wants to save a few bucks by running some of its miles without diesel exhaust fluid (DEF), it’s now going ...

Using sound waves instead of water to extinguish flames? This is not the stuff of science fiction but a new firefighting system being tested out by a fire department in Southern California.

NASA will test how fire behaves on the Moon using the FM2 experiment, aiming to improve safety standards for future lunar ...

As altitude increases and oxygen levels drop, climbers on Kilimanjaro face physiological risks that can turn a straightforward hike into a dangerous situation.

The Whoop band won't tell you the time, but it might change the way you work out. Here's who should wear which.

Cold starts are the dirtiest moment—Bosch thinks it’s solved them with fire.

Antarctica's "Blood Falls" glacier bleeds red water, and scientists found hidden pressure beneath the mysterious millennial ...

Ursa Major said its Hadley liquid rocket engine completed 10 flights, including multiple hypersonic missions with ...

On a spring day at the National Running Center in Brighton, former Boston Police Commissioner William Evans is seeing the ...

How do I turn off the MIL (Malfunction Indicator Light) on the dash of my 2014 Jeep Compass? This light is properly called the Malfunction Indicator Light, so it’s kind of like a check-engine light.