A solar-powered surveillance drone with a wingspan larger than a Boeing 747 jumbo jet could fly for weeks or months at a time ...

A breakthrough in aviation is taking shape through a collaboration between U.S. startup Skydweller Aero and French defense ...

Skydweller is a solar-powered drone that can fly for up to three months without landing, with researchers hoping to one day ...

The drone is powered by more than 17,000 solar cells and can carry a payload of 400 kilograms. Skydweller can operate “for days, weeks and months,” Renouard said.

Facebook CEO Mark Zuckerberg holds a propeller pod of the solar-powered Aquila drone on stage during a keynote at the Facebook F8 conference in San Francisco, California April 12, 2016.

H3 Dynamics, a hydrogen aviation specialist, and XSun, a developer of unmanned aerial systems (UAS), both based in France, announced a partnership targeting solar-hydrogen-electric UAS for low ...