While this boat needs sunny conditions to power its motor, it's not limited by the need to refuel that reduces the range of ...

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 ...

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 ...

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 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 ...

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 ...

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 has touched down in the Ohio hometown of two of America's most well-known aviation pioneers on the latest leg of its around-the-world journey. The Swiss-made Solar Impulse 2 ...

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, ...

It weighs as much as an SUV, but its wingspan is wider than a 747's. And Monday, a solar-powered airplane flew over the Gulf of Oman, starting what its pilots hope will be a record-setting trip around ...