Solar Impulse 2 is probably the most ambitious project ever undertaken in the search for an alternative to internal combustion engines to power an airplane. And its success will be dependent on using ...

A solar-powered aircraft on a round-the-world flight was high above the Pacific Ocean Tuesday, over a quarter of the way to Hawaii after leaving Japan, the mission website showed. Solar Impulse 2 had ...

Solar Impulse 2 has set a new world record for the longest non-stop solo flight. Landing in Hawaii Friday morning local time, the sun-powered plane, piloted by Andre Borschberg, stayed in the air for ...

Two filmmakers spent more than a year chronicling the Solar Impulse 2 as it flew around the world with no fuel.Their Nova film takes us inside the cockpit. This Solar-Powered Plane Can Now Fly Around ...

Federal investigators now believe the mysterious debris that washed ashore in Cameron Parish belonged to a solar-powered ...

On its journey around the world, Solar Impulse 2 (Si2) - after a flight of three days and three nights (71 hours and 8 minutes) without fuel - has completed its crossing of the Atlantic Ocean to land ...

Installed inside a life-size mock-up of the cockpit of the second plane currently under construction, André Borschberg took up the challenge of piloting the Solar Impulse simulator non-stop for 72 ...

A team of Swiss engineers, aviation experts, and designers is finishing final preparations to launch Solar Impulse 2, a solar-powered plane with a wingspan larger than a Boeing 747. When Solar Impulse ...