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 ...

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 ...

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.

WASHINGTON, United States — The experimental plane Solar Impulse 2, which completed a historic round-the-world trip in 2016 without using jet fuel, crashed into the Gulf of Mexico recently, its owner ...