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 ...

A high-altitude unmanned-aerial-vehicle prototype, powered by solar panels and batteries, performs functions commonly attributed to spacecraft flying in low Earth orbits. HAPS is happening. UAVOS Inc.

Swiss pilot Raphael Domjan got within around a thousand metres of setting a new altitude record in a solar-powered plane on Sunday as he chases the goal of breaking the 10,000 metres barrier.

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 ...

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 ...

Japanese telecom company SoftBank Corp, part of the SoftBank Group, has announced a new four-year project focused on high-energy density battery technology and high-efficiency solar cells for ...

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 ...

Sunglider reaches stratospheric altitude in 20-hour test flight Successfully demonstrates broadband mobile communication on consumer smartphones, linking teams in Tokyo, New Mexico and Silicon Valley ...

HAPS is happening. UAVOS Inc.’s HAPS (High Altitude Pseudo Satellite) aircraft, being developed with a flexible wing for high-altitude unmanned flight, will provide unique opportunities for both ...