The sun-powered Solar Impulse 2 plane continued its around-the-world voyage Thursday with a flight from Phoenix to Tulsa, Okla. Solar Impulse 2 took off from the Phoenix Goodyear Airport, Arizona, ...

Solar Impulse 2 has set a new world record for the longest non-stop solo flight. Landing in Hawaii Friday morning local time, the sun-powered plane, piloted by Andre Borschberg, stayed in the air for ...

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 ...

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 ...

On a summer afternoon high above the Swiss Alps, Raphaël Domjan stared out at a commercial airliner flying below him. At 9,500 meters (31,000 feet), Domjan was alone in a featherlight aircraft powered ...

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, ...

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.

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 ...