As aerospace and defense stakeholders look toward the next decade, HAP should be seen as a complementary layer to satellites ...

China's highest altitude wind farm located in Comai county, Northwest China's Xizang Autonomous Region was linked to the power grid on Thursday, representing a breakthrough in China's high-altitude ...

Existing engineering materials allow the construction of towers to heights of many kilometers. Orbital launch from a high altitude has significant advantages over sea-level launch due to the reduced ...

Riding the wind above the Andes Mountains, an experimental glider has set a world record for high-altitude flight. On Sept. 2, the sleek Perlan 2 glider carried two pilots to 76,100 feet, or more than ...

1. Alpine plants are at high risk because of climate change. Assessing the performance of alpine plant species across different altitudes is useful for predicting how they may respond to changing ...