On a clear day in early fall, around sunrise, you might notice hot air balloons flying across the sky, but why do they navigate the skies so early in the day and how does weather play a role in their ...

A special exemption allowed a NASA-funded weather balloon to launch as planned Oct. 1, despite the ongoing government shutdown that began that day. But news about the balloon, and an exoplanet-hunting ...

A suite of scientific balloons is about to lift off from NASA’s Columbia Scientific Balloon Facility’s field site in Fort Sumner, New Mexico, carrying instruments that will help scientists understand ...

Early spring snow clung to the tree branches surrounding the Howe Hall parking lot as a dozen Iowa State University students began filling a high-altitude balloon with hydrogen just after dawn on ...

COMSTOCK PARK, Mich. — Rising air is all around us— outside and inside. It's what meteorologists call "convection." Warm air is lighter and less dense than cold air, so it has buoyancy and wants to ...