Boeing's upcoming 777X is set to be the world's largest twin-engine aircraft when it enters the market. After problems found in tests, it's been further delayed to 2026. Business Insider toured ...

ZeroAvia's 19-seater plane completed a test flight entirely powered by a hydrogen-electric engine. Courtesy ZeroAvia Editor’s Note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter.

There are many planes that help you fly the friendly skies, and most of them have same engines. Here's what engine and why they're so popular.

Atlanta-based hypersonics firm, Hermeus, just took delivery of a Pratt & Whitney engine to propel its hypersonic Darkhorse aircraft to Mach 2.8 on the way to Mach 5.

The plane's flight recorders had one pilot asking the other why they had switched off the fuel - and the other saying he had ...

During test flights in Hawaii on Friday, a 777X plane landed with damage to an important part that connects the large engine to the body of the aircraft, according to the Air Current.

The test aircraft was extremely energy inefficient—just 2.6% of its electrical energy was turned into propulsive force—and the thrust density, a measure of the thrust in proportion to the ...

In the cockpit voice recording, one of the pilots is heard asking the other why he "did the cut-off", the other pilot replied ...

Hermeus has stolen another quick march on its way to building a hypersonic aircraft as it begins testing its proprietary precooler on a Pratt & Whitney F100 jet engine that will be installed in ...

At the time of the incident, the plane's right engine was turned on for a test with the cover flaps open, per TMZ and Bild.A safety area had also set up around the engine, the German outlet reported.