Next time you glance out the window mid-flight, look closer at those tiny fins on the engine. They're small, subtle, and surprisingly important.

Public financing is being sought for developing a scaled version of the UltraFan geared turbofan propulsion system, under consideration to help Rolls-Royce return to the ...

Rolls-Royce has shown off a full-scale mock-up of its proposed UltraFan 30 engine aimed at next-generation narrowbody aircraft, featuring characteristics including a short inlet and ripple-edged ...

Carbon fiber composites aren't a new thing in jet engine fan blades, including GE Aviation's. But every so often GE engineers have to redesign them to take advantage of advances in carbon composite ...

DALLAS (AP) — Southwest Airlines sought more time last year to inspect jet-engine fan blades like the one that snapped off during one of its flights Tuesday in an accident that left a passenger dead.