Enormous engines like the GE90 had to be developed to power the 777, primarily because it has two turbofans rather than four.

If you've ever stood near a runway and watched planes take to the skies, you've probably also been awestruck by the sheer size of the engines that make it all possible. On large commercial planes, ...

From the 1970s through the 1990s, tri-jets were a common sight in our skies. Aircraft with three jet engines were capable of transoceanic flights and more fuel-efficient than four-engine aircraft like ...