One of the most frustrating parts about flying a quadcopter is having to regularly swap battery packs, as this massively limits what you can do with said quadcopter, never mind its effective range.

Swiss pilot Raphael Domjan beat the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 meters, or 31,237 feet, his team announced Wednesday. The SolarStratos ...

From an airstrip just north of Interstate 10 on the Mississippi Gulf Coast, an aviation company recently launched an unmanned plane for a three-day flight, an important milestone on its quest for ...

Sceye’s airship, the solar-powered SE2 high-altitude platform system (HAPS), has successfully completed a 12-day ...

A solar-powered surveillance drone with a wingspan larger than a Boeing 747 jumbo jet could fly for weeks or months at a time, according to its operator, while watching for drug-smuggling vessels, ...