A balloon seen in southeastern Wisconsin on June 22 belongs to aerospace company Aerostar, it confirmed to the Milwaukee ...

An Aerostar "Thunderhead" balloon spotted in Wisconsin skies conducts environmental research and aids communication.

BROWN DEER, Wis. - It's not a bird or a plane, but FOX6 News got multiple viewer calls throughout the day on Sunday, June 22, ...

A mysterious white dot floating in the sky over southeast Wisconsin this weekend has been identified as a research balloon ...

Sioux Falls, South Dakota, USA---Aerostar, a pioneering leader in stratospheric exploration and innovation, proudly announces a historic achievement: 500 consecutive days of operations in the ...