From commercial ballooning and cross-country racing circuits to the Ed Yost Master Pilot Award and a basket now displayed at the Smithsonian, Bill Costen

The Atlantic Explorer hydrogen balloon touched down safely at 5:58 a.m. UTC (1:58 a.m. EDT) on June 7, 2026, near the Luxembourg towns

Beneath a hydrogen balloon drifting high above the North Atlantic, three pilots share a small aluminum basket as they attempt one of the

In the early years of the twentieth century, physicists across Europe noticed something puzzling. Their sensitive instruments — electroscopes designed to detect ionizing radiation