Traveling at high altitude can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and ...

Browse a gallery of the U.S. Air Force's high-altitude balloon experiments and the researchers, scientists, and test pilots who made them possible.

People in the regions claim the Terminal High Altitude Area Defense (THAAD ... Immediately after the announcement Friday, residents in Pyeongtaek, Gyeonggi Province, and Waegwan of Chilgok ...