Misfortune and its own missteps in culture, leadership and technology have sapped the British engine maker of its value.

Water vapor from hydrogen-fueled aircraft will generate more contrails, but research is needed to understand persistence and mitigation.

Findings in the investigation of an Air France Airbus A380 “accident” may have consequences for engine design and manufacturing.

Advanced combustors and new thermodynamic cycles are under study to exploit the energy potential of liquid hydrogen fuel.

Nordic countries committed to electrifying aviation are initial targets for Swedish startup.

Ask the editors: Despite massive overcapacity of aircraft now, airlines do have incentives to retain at least some orders.

ZeroAvia flies fuel cells; Boeing pauses NeXt; Rolls tests ACCEL; Safran’s quiet gear; Vertical’s smart charger.

Green aviation start-up ZeroAvia has completed the first flight of its hydrogen fuel cell-powered Piper M350 test aircraft.