If you have seen a photo of a Boeing 777X, you've probably noticed how large its engines are. But to answer the question from the title, we need to analyze both the aircraft and the engine in detail.

Discover the surprising design differences between the engines of the Boeing 747-8 and 787 Dreamliner, and how they impact performance.

A closer look at modern Rolls-Royce & Pratt & Whitney jetliner engines.

A hybrid-electric jet engine may seem as absurd as a horse-drawn Zeppelin, but GE Aerospace is ground testing a new megawatt-class hybrid turbofan engine and its full powertrain that is powerful ...

By Sarah Young LONDON, Feb 26 (Reuters) - Rolls-Royce promised further strong growth after its profit jumped 40% last year ...