The US military is tracking a high-altitude balloon flying over the Western part of the country. According to CBS, who was the first to report the news, the balloon was spotted by US military ...

The US government is tracking a high-altitude balloon of unknown origin ... which first reported on the balloon’s presence over US airspace, that it was flying over Colorado earlier on ...

The Chinese balloon drifting high above the U.S. and first revealed ... and said she was not terribly concerned about the object flying over her city. “I’ve heard all kinds of thoughts.

The US military is tracking a suspected Chinese spy balloon after a bright, unidentified flying object was spotted ... plans to deploy its own high-altitude balloons to, among other things ...

A US Air Force F-22 shot down the balloon with an AIM-9 air-to-air missile, the Pentagon said US Navy divers are working to recover the wreckage of the Chinese surveillance balloon that was shot ...

NAGOYA—A balloon launched by high school ... layer of atmosphere over the Earth in video footage because the blue color of the sky became deeper as the balloon gained altitude.

Browse a gallery of the U.S. Air Force's high-altitude balloon experiments and the researchers, scientists, and test pilots who made them possible.

The United States also sent a balloon with a crew up in late 1935 ... Air Force project to test multi-stage parachutes made for high-altitude ejections. This was dangerous testing.