Hearts are heavy these days in the world of lighter-than-air helium balloons. A helium shortage is making balloon prices rise faster than a helium balloon itself after a kid lets it go. "I don't want ...

Hundreds of miles north of the Arctic Circle, Sandia National Laboratories researchers ensure the collection of important weather and climate data. By switching the gas used in their weather balloons, ...

MRI machines and AI chipmakers need the liquid form of the element.

For spectators who want to see the Macy's Thanksgiving Day Parade balloons without the same crowds (and rain) that are likely on Thursday, the balloon inflation on Wednesday afternoon is always a ...