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 ...

Chinese state-owned power producer China Huadian Corporation has launched the second phase of its Caipeng Solar-Storage Power Station in Shannan, Tibet, situated at an altitude of 5,228 meters, making ...

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 ...

The sky is black 100,000 feet above ground, and you can clearly see the curvature of the Earth. The air is so thin it is incapable of supporting life. It is also incapable of supporting sustained ...

There's no doubt that satellites have become an essential part of our daily lives, making things like communications, navigation, weather forecasting, and remote imaging all possible. Unfortunately, ...

The solar-electric Helios Prototype flying wing is shown moments after takeoff, beginning its first test flight on solar power from the U.S. Navy's Pacific Missile Range Facility on Kauai, Hawaii, ...

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

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 ...

Google's tastes in alternative energy run the gamut from proven technologies to ideas that haven't left the lab. Two ideas the company already is exploring: One of the companies Google touted Tuesday, ...

Raphael Domjan piloted the SolarStratos solar-powered plane to 9,521 metres, surpassing the 9,235m record set 15 years ago. The five-hour flight from Sion airport used warm air thermals, demonstrating ...