Throughout the Cold War’s iciest decades, the top-secret Parcae project, shrouded in secrecy for over 30 years, provided the U.S. with unmatched capabilities in electronic eavesdropping. This ...

Above the Atlantic, various aircraft and surveillance technologies are being deployed to search for the missing Titan submersible. How do they work?

When the United States launched the KH-9 Hexagon spy satellite into orbit atop a Titan IIID rocket in 1974, it brought a calibration target along for the ride: the Infra-Red Calibration Balloon ...

Wearing A Secret On Their Sleeves Shoulder Patch Reveals Rocket's Payload, Some Say ...

North Korea's launch of a military spy satellite successfully made it into orbit, according to South Korean military leaders.

The Navy, which was part of the unified command hunting for the Titan submersible, said it had acoustic data "consistent with an implosion" on Sunday at the start of a five-day search.

The South Korean announcement — which will likely infuriate North Korea — came hours after the North claimed to have placed a military reconnaissance satellite into orbit.

North Korea on Wednesday said it had put its first spy satellite into orbit and vowed further launches to defend against what it called its “enemies’ dangerous military maneuvers.” Analysts ...

The Titan disaster has lifted the lid on the secretive world of underwater espionage, in which a constant vigil is kept over the oceans with the principal objective of detecting enemy submarines.