The shot-down Chinese spy balloon may have had synthetic aperture radar, the Washington Post reports. The technology has the ability to observe objects in the dark or through clouds. SAR is used ...

In February, a balloon from China was shot down off the coast of Myrtle Beach, South Carolina. The balloon’s surveillance capabilities, outlined in a US National Geospatial-Intelligence Agency (NGA) ...

Commercial fishermen found an unusual object off Alaska's coast and are bringing it to the FBI, per CNN. Photos of the object show similarities with past surveillance balloons, the outlet reported.

The technology has the ability to observe objects in the dark or through clouds. SAR is used around the world by organizations like NASA and the European Space Agency. In February, a high-altitude ...