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.

But before you consider sneaking off with your partner for a rendezvous among the clouds, let's dive into the legality of this high-altitude romance. TL;DR: Quick Takeaways on the Mile High ...

The flight traffic data NTSB has obtained confirms the helicopter was flying at 300 feet, the air traffic control display ...

making them one of the continent’s most diverse insect groups. They can be found pollinating plants from mountain peaks to seashores, though they are especially crucial in colder, high-altitude ...

As you can see in the accompanying video, the Kittinger jumps were part of an Air Force project to test multi-stage parachutes made for high-altitude ejections. This was dangerous testing.