In post-landing interviews with Charissa Thompson for Blue Origin after the crew exited their space capsule, each NS-31 crew ...

And Earth's curvature is clearly apparent from high altitudes ... and although taller than the plane's altitude, lay below the sensible horizon, marked by the white horizontal line in the ...

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.

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 ...