According to recently declassified official information, the Chinese military conducted a field test of this unprecedented air-floating balloon detection technology in Wayao village, Neijiang ...

Defense Ministry officials suspect China has been floating balloons over Japan to spy on military radio communication to monitor the movements of the U.S. military and Japan's Self-Defense Forces.

They're floating away. Floating away? But how? Did you ever wonder why hot air balloons float? You may already have some ideas. Think about them and then choose one of the options below that seems ...