The U.S. Navy has quietly written a small but telling check to a company working on a solar‑electric aircraft that can stay ...

Another air record has been (unofficially) broken as a prop-driven solar/electric aircraft reached the highest altitude yet for its type. On August 12, 2025, a modified Elektra One reached 31,237 feet ...

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 ...

In all, the Skydweller flew 220 hours, including one 73-hour flight. Built for long-duration surveillance, engineers think it could be in the air longer on solar power alone. By Patty Nieberg ...

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 U.S. Navy has awarded Skydweller a $1.4 million contract to develop electric propulsion as it explores all-electric ...

The pilot of a solar-powered airplane on an around-the-world journey said Saturday that stopping in California's Silicon Valley will help link the daring project to the pioneering spirit of the area.

A solar-powered surveillance drone with a wingspan larger than a Boeing 747 jumbo jet could fly for weeks or months at a time, according to its operator, while watching for drug-smuggling vessels, ...

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 ...

The International Electrotechnical Commission (IEC) analyzed the trajectory of different solar plane technologies and prototypes and said that standards are currently under development to ensure ...

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 ...