Swiss pilot Raphael Domjan has set a new altitude record for solar-powered electric planes. His SolarStratos aircraft soared to 31,237 feet (9,521 meters). The team announced the achievement on ...

Imagine an aircraft that can stay airborne for weeks, even months, without refueling. This isn't futuristic fantasy. Skydweller Aero is working toward turning this vision into reality with its ...

Swiss eco-explorer Raphaël Domjan is one step closer — or around 31,200 feet — to the stratosphere. The adventurer's ride there was much different from airliners that typically travel at that height.

BRUSSELS, May 13 (Reuters) - A solar energy plane began the world's first international flight powered by the sun on Friday to show the potential for pollution-free air travel. Sign up here. The Solar ...

The Solar Impulse 2 has landed in Egypt after a flight of nearly 49 hours without fuel, covering a distance of 3,745 kilometres. The journey marks the second to last leg of the first Round-The-World ...

This test flight, conducted by the Ashburn, Virginia-based startup Overview Energy, marks a major victory in the quest for ...

GENEVA -- An experimental solar-powered plane whose Swiss makers hope someday to fly around the globe soared into uncharted territory Wednesday -- the cold, dark night. The team of adventurers and ...

The world's first solar powered aircraft completed a major milestone today when it completed an overnight flight for the first time. The Solar Impulse HB-SIA, with André Borschberg at its controls, ...

The world's first round-the-world flight to be powered solely by the sun's energy made history Tuesday as it landed in Abu Dhabi, where it first took off on an epic 25,000-mile (40,000-kilometer) ...

GeekWire chronicles the Pacific Northwest startup scene. Sign up for our weekly startup newsletter, and check out the GeekWire funding tracker and VC directory. by Alan Boyle on Oct 29, 2025 at 5:02 ...