Small, battery-powered planes are on the way. But building large, zero-emission airliners is a daunting challenge.

The biggest transformation in the aerospace industry since the dawn of the jet age 75 years ago is being driven by next-generation propulsion systems and other technological advancements.

A viral Instagram video shows a Boeing 747 soaring above the clouds at 900 km/h, leaving dazzling white contrails. Viewers ...

Next time you’re eating a sandwich on your holiday flight, pause to think about something. The aircraft type you are flying ...