Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram matter in the air. Yet as manufacturers push these powerplants into more ...

A legendary WWII fighter returns with nothing but raw engine sound and unmistakable character. Every burst of power highlights the deep, aggressive tone that made this aircraft one of the most ...

NASA and aerospace industry partners are flight testing new technologies to see if they can make aircraft quieter. Scalloped edges on engine exteriors and toboggan-like fittings on landing gear are ...