DARC is designed to track multiple small moving objects in geosynchronous orbit — all around the globe, 24 hours a day.

While plenty will talk about the performance of Justin Fields or from the defense, There were a few moments that went ...

A retired soldier and security expert has shared his views on the helicopter crash that claimed eight lives in Ghana.Col.

Using millimeter-wave radar combined with an AI speech recognition system, their setup can capture and transcribe ...

Radar detects other items that are not precipitation, and that is generally called noise. Sometimes, you can see and/or hear ...

An unsettling new technique for surveillance can make use of the most minute scraps of data to listen in on cell phones calls ...