German slackliners set world record walking between hot air balloons at 2.5 km altitude. Watch
German athletes Friedi Kuehne and Lukas Irmler broke their own slacklining world record by walking a line between hot air ...
Understanding The Experience Of Flying To The Edge Of Space On A 'Spaceship Neptune' Balloon Ride
Learn what to expect on your ride to the edge of space aboard Space Perspective's Spaceship Neptune capsule. CEO Jane Poynter ...