The sustainable aviation challenge is attracting plenty of investment and brainpower—as well as government policies aiming to incentivize development. But the innovations coming out of these efforts ...

The Bell Boeing V-22 Osprey is a remarkable tiltrotor aircraft that can function as both a helicopter and turboprop plane.

Jim Dukhovny makes his company's flying car sound really simple, laying out exactly how it goes full "Back to the Future" ...