NASA's massive super-pressure balloon has completed a 16-day trip around the Southern Hemisphere — a milestone in ...

NASA concluded a balloon mission in which a super-pressure balloon circumnavigated the Earth over the southern hemisphere in ...

April 16 in U.S. Eastern Time). The football-stadium-sized, heavy-lift super pressure balloon is on a mission planned for 100 days or more around the Southern Hemisphere's mid-latitudes.

Imagine you're at a hot air balloon event. The balloonists are busy preparing for flight. They spread out the enormous balloons on the grass and check all the lines. The talk is all about today's ...