Featured in helium balloon
The world isn’t light on helium, but mining it is no party
More scientists need to recycle this noble gas.
LIVE: Watch A Space Balloon Launch, From The Balloon’s Perspective
At 9:30 a.m. CT/10:30 a.m. ET, elementary school students in Illinois will send a weather balloon to the upper atmosphere....
Amateur Radio Balloon Flies From California to Algeria
A weather balloon built and powered by amateur radio balloon enthusiasts made an epic three-day journey from California to the...
FYI: Would a Helium-Filled Balloon Float on the Moon?
A helium balloon on the moon might as well be made of lead. For any balloon to stay aloft in...
Two angles on the world's most dangerous high-altitude, high-tech daredevil stunt.
Part 1: France and Canada
A French former paratrooper with no family ties, Michel Fournier almost made Le Grand Saut. Then he balked.