“Just add solar panels to the wings” is a popular suggestion for improving the flight times of fixed-wing drones. However, the reality is not so simple, and it’s easy to hurt rather than help flight ...

Swiss pilot Raphaël Domjan soared more than 31,000 feet above the Alps using nothing but sunlight, appearing to shatter the altitude record for a solar-powered aircraft, even stunning commercial ...

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 ...

KAPOLEI, Hawaii (AP) — A plane powered by the sun’s rays landed in Hawaii Friday after a record-breaking five-day journey across the Pacific Ocean from Japan. Pilot Andre Borschberg and his ...

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 ...