Built from scratch, acoustic detection systems are turning sound into a weapon and reshaping air defense as we know it.

Angelo Correr renounces his claim to the Papacy as Pope Gregory XII. 1610: Sigmund III’s Polish-Lithuanian Commonwealth army defeats ...

During World War II, Nazi Germany constructed massive Flak Towers (Flak Türme) in cities like Berlin, Hamburg, and Vienna as ...

From the front lines of the Cold War to the trenches of Ukraine, archival photos tell the story of Radio Free Europe, which ...

Learn about the major world events and happenings, birthdays, and deaths that took place on July 04. Check what happened ...

Police were examining a suspicious package sent to the Israeli Embassy in Denmark’s capital, authorities said Thursday.

Converging 5G Open RAN with neutral-host DAS offers a promising path for better indoor coverage, but what does such a ...