Although the GE9X has lower certified thrust than the GE90, it is optimized for cruise, delivering steadier, quieter, and more economical long-haul performance. To put it simply, the GE9X trades headline takeoff thrust for a step-change in real-world fuel burn, overall emissions, and noise.

University of Cincinnati engineers are working on new jet engine nozzles to reduce noise while maintaining performance.

NASA test pilot Nils Larson flew the X-59 supersonic jet on its inaugural flight over California's Mojave Desert, validating a revolutionary aircraft designed to reduce sonic boom noise. The experimental plane could enable future commercial supersonic flights over land,

Pollution watchdog SEPA had received more than nine hundred complaints in April 2019 relating to five days of continuous flaring.

A chemical plant in Fife has been fined after a noise that sounded like a “jet engine” blared for six days, prompting 900 complaints from residents. ExxonMobil Chemical Ltd pleaded guilty to breaching pollution control regulations at the Cowdenbeath plant on various occasions between April 7 and April 26, 2019.

Have you ever wondered just how big a jet engine used on a commercial aircraft is? In single-aisle airliners, for instance, the jet engines that dangle from their wings are a little under three meters long. That's not as big as these things appear to the ...