"The main spar, fuselage and tail spar of the structure are made of circular wound CFRP tubes. These are very light yet highly stable." 17 DLR institutes are working towards the first flight The solar ...

This tiny, solar-powered, bee-like robot could be the future of drones. One day, anyway. Flying machine: The RoboBee X-Wing, developed at the Harvard Microrobotics Laboratory, is a remarkable feat ...

Electricity generated by solar cells attached to the upper surfaces of the fuselage and wings power the aircraft's motors and is also stored in onboard batteries to keep it flying at night.

The UK-built Zephyr solar-powered plane has smashed the endurance record for an unmanned aerial vehicle (UAV). The craft took off from the US Army's Yuma Proving Ground in Arizona at 1440 BST ...