Swiss pilot Raphael Domjan beat the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 meters, or 31,237 feet, his team announced Wednesday. The SolarStratos ...

Swiss pilot Raphael Domjan beat the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 meters, or 31,237 feet, his team announced Wednesday. The SolarStratos ...

The Sunglider high-altitude drone, which was originally designed for civilian purposes, has now been tested in a modified version for military applications. The tested version of the Sunglider Horus A ...

Add Yahoo as a preferred source to see more of our stories on Google. Chinese state-owned power producer China Huadian Corporation has launched the second phase of its Caipeng Solar-Storage Power ...

Looking to validate electric powertrain technology in the highest, most remote of settings, the Peak Evolution Team climbed the world's highest active volcano into the record books this month. The ...

To keep a solar-powered HAPS flying continuously, its power generation must exceed its consumption. While predicting the power consumption of the motors is straightforward, predicting the power ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A new solar-powered high-altitude drone has successfully navigated a ...

China Huadian Corp., a state-owned power generator, has commissioned the second phase of its Caipeng Solar-Storage Power Station in Shannan, Tibet. The project, at an altitude of 5,228 meters, is the ...

For the millions of people across North America who will be treated to a total solar eclipse on April 8, it will be spectacular show — a chance to see the moon fully obscure the sun’s face. But for ...