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 late November, a Cessna turboprop aircraft flying at an altitude of 5,000 meters ...

Researchers have successfully beamed power from a moving aircraft to ground receivers, marking a first for airborne wireless energy transmission.

This test flight, conducted by the Ashburn, Virginia-based startup Overview Energy, marks a major victory in the quest for ...

The test brings the idea of nonstop solar energy from space closer to reality.

The Navy, working with Skydweller Aero, just reached a major milestone in clean-energy aviation. Its solar-powered drone, known as Skydweller, flew for 73 hours straight without needing fuel. The test ...

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, ...

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 ...

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 ...

From an airstrip just north of Interstate 10 on the Mississippi Gulf Coast, an aviation company recently launched an unmanned plane for a three-day flight, an important milestone on its quest for ...

The US and China are racing to build space-based solar power infrastructure that would ...