Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram ...

A breakthrough study has revealed why emerging electric aircraft engine technology sounds so annoying -- and how to fix it. A breakthrough study has revealed why emerging electric aircraft engine ...

NASA's Glenn Research Center has been an integral part of the nation's mission to reduce aircraft engine noise for over 70 years. The center's journey in quieting jet engines has evolved into a ...

Commercial aviation has changed significantly over the years. If we look back at the first generation of jets, their design and propulsion systems were very different from what we see today. They did ...