Solar Impulse 2, the pioneering aircraft known for the first round-the-world solar flight, was lost during an uncrewed flight, ending its decade-long journey in the skies.

Solar Impulse 2, the aircraft that completed the first solar-powered global flight in 2016, crashed in the Gulf of Mexico ...

Piccard never intended the vehicle for commercial use, but instead envisioned it as a way to raise awareness for sustainable energy by building the first solar-powered plane capable of ...

The Solar Impulse 2, which completed the world’s first flight around the globe powered only by solar energy in 2016, has crashed into the ocean following an 8-day autonomous maritime patrol flight.

A solar-powered drone has been lost at sea after a record-breaking flight lasting eight days between late April and early May. The crash also marks the untimely demise of the pioneering aircraft Solar ...

WASHINGTON — An experimental, solar-powered aircraft took off from Tulsa in the Midwestern US state of Oklahoma early Saturday, kicking off the latest phase of its record-breaking quest to circle the ...

Raphael Domjan, a Swiss eco-explorer, achieved an 8,224-meter altitude in his SolarStratos aircraft, edging closer to breaking the solar-powered flight record. The attempt, departing from Sion Airport ...

WASHINGTON — The Solar Impulse 2, a solar-powered airplane piloted by Swiss national Bertrand Piccard, successfully flew out of Dayton, Ohio in the dark early Wednesday en route to Pennsylvania, ...