Solar Impulse 2, the pioneering aircraft known for the first round-the-world solar flight, was lost during an uncrewed flight ...

Piccard never intended the vehicle for commercial use, but instead envisioned it as a way to raise awareness for sustainable ...

The Skydweller drone was last visible on the flight-tracking service Flight Radar 24 north of Cancun, Mexico, in the early ...

The Solar Impulse 2, a long-range experimental aircraft, crashed in the Gulf of Mexico when it lost power during an unmanned ...

Solar Impulse 2, a solar‑powered plane built in Switzerland, has been destroyed after crashing in the Gulf of Mexico.

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

A Swiss pilot claims to have broken the more than 15-year-old altitude record for electric, solar-powered aircraft. Raphaël Domjan on Tuesday flew an electric plane propelled by solar cells, ...

SAN FRANCISCO, Calif. -- Aviation history is about to be made. The Solar Impulse 2, the solar-powered airplane that's just completed a flight from Hawaii has arrived in the San Francisco Bay Area and ...

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 ...