Vertical lift heavyweight Sikorsky predicts that hybrid-electric propulsion systems will generate significant performance ...

The SPRINT project is a joint DARPA and US Special Operations Command effort that aims to fly a tiltrotor X-plane.

American agency DARPA pulled the plug on the Liberty Lifter ground-effect seaplane three years after it first announced it.

The US Defense Advanced Research Projects Agency (DARPA) has ended a programme to build a large wing-in-ground (WIG) craft ...

Advanced air mobility developer Joby Aviation appears to have tested a large long-endurance hydrogen-powered drone, according ...