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 ...

David discovers the omnipresence and properties of air while contemplating a feather that floated to the ground. He learns that air fills spaces, weighs something, and exerts pressure in all ...

Scientists with NASA are launching enormous balloons, the size of a football stadium, from the Antarctic ice. They're carrying experiments on dark matter and other mysteries. Our next story takes us ...

Watch a science experiment showing how balloons can float using methane and hydrogen instead of helium. See how hydrogen is ...

A couple dudes want to cool the planet by releasing balloons filled with sulfur dioxide. They say they got ‘OKs to launch’ from officials; officials say otherwise. A couple dudes want to cool the ...

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 ...

Our next story takes us to the ice of Antarctica, where NASA scientists are launching gigantic balloons that will rise up way into the stratosphere, to near space. Some of these balloons are so big ...

AMES, Iowa – 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 ...

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 ...