High-altitude flight is getting increasing attention from sectors ranging from telecommunications to emergency response. To make that airspace more accessible, NASA is developing an air traffic ...

1 Center for Integrative Human Physiology, Institute of Physiology, University of Zürich, Zürich, Switzerland 2 Department of Physiology, Institute of Sport Sciences, University of Lausanne, Lausanne, ...

China and Bolivia claim the world's highest commercial airports with others found in neighboring regions.

A very small number of Americans live in mountainous regions, which is why many HVAC professionals may not even know that gas-fired furnaces installed at higher altitudes usually require modifications ...

(Yicai) Feb. 11 -- The ground mobile communications network coverage for low-altitude public air routes in China will be no ...

Once she got there she met another traveler who had reached the same conclusion, only she was there to celebrate her 90 th birthday (and 70 th wedding anniversary). “Your knees have expiration dates,” ...