NASA's Artemis II mission will launch with SLS rocket engines that have flown multiple times on past space shuttle missions.

The transition from steam to diesel engines marked a major turning point in maritime history. Diesel engines offered greater ...

Internal combustion engines have largely been eclipsed by advanced propulsion systems such as jet turbines, electric drives ...

There's no real reason to do this, but I'm so glad they did.

Ram’s twin-turbo Hurricane inline-six is replacing the long-running Hemi V8 in key truck and SUV models, and that shift has owners scrutinizing every early report of problems and praise. I set out to ...

The five-cylinder engine is uncommon relative to the ubiquitous four-cylinder, six-cylinder, or eight-cylinder variants. As an odd-number engine, it certainly is in a class of just three such engines.

Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of timing. In a knocking engine, parts of the air-fuel mixture don't ...

The engine is the beating heart of a vehicle, and if it fails, most people will either invest in a new engine or simply buy a new car. However, if the vehicle is salvageable, and you don't want to ...

For many people, driving is as simple as hitting the gas to go — for more engine power — and using the brakes to stop. But your motor can actually help slow you down in certain situations, too. It's ...

Generally, we associate inline-six engines with pretty excellent reliability; for example, the ultra-reliable 4.0-liter straight six in classic Jeep Cherokees routinely reach six-digit mileage counts ...