Up, up in the air ... scientific solar-powered balloons have recorded some strange sounds in the stratosphere researchers cannot identify. Daniel Bowman and other researchers at Sandia National ...
Add Yahoo as a preferred source to see more of our stories on Google. SALT LAKE CITY (ABC4) — A small balloon was detected and intercepted by a fighter aircraft over Utah on Friday morning. According ...
The US government is tracking a high-altitude balloon of unknown origin — and officials insist that it is not a security threat. The balloon, flying at an altitude between 43,000 and 45,000 feet, was ...
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