The Solar Impulse, an airplane traveling across the United States using only solar power, is in Phoenix today, after reaching Arizona from California Saturday. It took the plane about 20 hours to ...

In recent years, the development of tiny aircraft capable of staying aloft using only sunlight has captured the imagination of scientists and engineers alike. These groundbreaking innovations promise ...

MOUNTAIN VIEW, Calif. -- A solar-powered airplane landed in California on Saturday, completing a risky, three-day flight across the Pacific Ocean as part of its journey around the world. A ...

A new solar-powered innovation that flies nonstop for 90 days sounds like something out of a spy movie, but the Skydweller is a real creation, we assure you.

A solar-powered airplane has landed in Pennsylvania, about 17 hours after it took off from the Ohio hometown of America aviation pioneers Wilbur and Orville Wright. The Swiss-made Solar Impulse 2 ...

Add Yahoo as a preferred source to see more of our stories on Google. Swiss pilot Raphaël Domjan soared more than 31,000 feet above the Alps using nothing but sunlight, appearing to shatter the ...

A solar-powered plane on an around-the-world journey was about a third of the way to California early Friday after taking off from Hawaii, the project's mission control said. Solar Impulse 2 pilot ...

A solar-powered airplane landed in California on Saturday, completing a risky, three-day flight across the Pacific Ocean as part of its journey around the world. Pilot Bertrand Piccard landed the ...

The world's first solar powered aircraft completed a major milestone today when it completed an overnight flight for the first time. The Solar Impulse HB-SIA, with André Borschberg at its controls, ...

U.S. tech startup Skydweller Aero has teamed up with Thales, a French electronics company specializing in defense systems, to develop a new maritime surveillance drone that can stay aloft far longer ...