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

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

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

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

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 ...

When rudimentary solar power was created in the 19th century, the scientists behind the technology had no idea what it would be used for.In 2013, venture capitalists and environmentalists Bertrand ...