Imagine if you will, a low-cost, small weapons system. It could fly stealthily into enemy territory, not being mistaken for a bomber or any kind of missile. And then it could detonate a nuclear weapon ...

The balloon's flight over the U.S. added tension to the U.S.-China relationship. A massive Chinese surveillance balloon that moved across the continental U.S. this week has been shot down. The ...

World View Enterprises completed the first launch of one of its stratospheric balloons Sunday morning from the Spaceport Tucson site south of Tucson International Airport. The successful test flight ...

You are now free to walk about the capsule. Tucson-based World View Enterprises has unveiled new details of its balloon-borne capsule designed to take tourists on stratospheric cruises starting in ...