The Korea Aerospace Research Institute has conducted a high-altitude test flight of solar-powered unmanned aerial vehicle EAV-3, which features a lithium-sulfur battery from Korean manufacturer LG ...

"There's a lot of companies that are now attempting to create aircraft to put in the stratosphere," Prismatic CEO Bob ...

It looks like a cross between a toy airplane and a drone, but this British solar-powered aircraft could be the future of aerial surveillance. PHASA-35, built by British company BAE Systems ...

The Zephyr is not your usual aircraft. It only travels at 40mph, it is launched by hand and it is completely solar-powered. The unmanned craft flies high in the atmosphere, to avoid commercial air ...

The U.S. Army is looking to improve its surveillance and intelligence-gathering abilities by using unmanned aircraft systems, ...

A solar-powered aircraft has successfully completed its first high-altitude flight into the stratosphere. The unmanned Phasa-35 has the wingspan of an airliner and is intended for surveillance and ...

China's first ton-level liquid hydrogen powered electric unmanned vertical takeoff and landing (eVTOL) aircraft completed its test flight in Baoji city, Northwest China's Shaanxi Province.

The Army wants launched effects that could deploy from high-speed, higher-altitude business jets as it expands its pursuit of ...

U.K. researchers have developed a flexible thin-film cadmium telluride (CdTe) solar cell for use in ultra-thin glass for space applications. Lamb said that CdTe cells offer the potential for ...