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 ...

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 ...

She said one balloon made it to near Pittsburgh. Here’s a track of a balloon from Gaylord on a particularly windy day. The U.S. isn’t the only country that launches weather balloons for ...

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 ...

U.S. intelligence officials were tracking the spy balloon that was shot down earlier this month since it lifted off from the south coast of China, U.S. officials said Tuesday. According to U.S ...

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 ...

The U.S. is tracking a “small balloon” that was observed earlier this morning over the southwest and is drifting east, but it is not believed to pose a threat, according to a statement from ...

WASHINGTON, March 15 (Reuters) - Two senators are introducing legislation Wednesday to mandate tracking systems on high-altitude weather and research balloons to help the U.S. military ...

The system will be a reusable stratospheric balloon beacon that will ascend then initiate a free-fall descent and undergo landing, with an on-ground mobile operator tracking and following the beacon’s ...

Ground sensors like those used on the moon and Mars can measure seismic waves. Balloon-based pressure sensors can measure infrasound waves, a form of low-frequency waves in the atmosphere created ...