The US is tracking a suspected Chinese high-altitude surveillance balloon over the continental United States, defense officials said on Thursday, a discovery that risks adding further strain to ...

The US intelligence community has developed a method to track China’s fleet of surveillance balloons that was only discovered within the last year, six people familiar with the matter tell CNN ...

This process was the first to track the balloon itself, not just its expected path based on weather projections. Jan. 15 The balloon is first detected off the coast of Hainan, where, U.S ...

A balloon the US was tracking across the country has now left US airspace and was likely a “hobby balloon,” NORAD said in a statement Saturday. NORAD had initially intercepted the balloon with ...

CBS News first reported that the military was tracking the balloon as it traversed the Western U.S. on Friday. NORAD, the military command responsible for air defense over the U.S. and Canada ...

[David] notes that using some pretty simple gear, he could track down weather balloons. The U.S. National Weather Service sends up a large number of radiosondes attached to balloons twice a day.

Built using 3D printers and components sourced online and sometimes equipped with GPS-tracking, these so-called "smart balloons" can cost up to $1,000 each. Once or twice a month from spring to ...