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 ...

On January 31, 1958, the United States became a space-faring nation with the Explorer-1 satellite.

Spy satellite photos reveal hundreds of long-lost Roman forts, challenging decades-old theory (CNN) — Declassified photos captured by United States spy satellites launched during the Cold War ...

Declassified photos taken by Cold War-era spy satellites have revealed hundreds of previously unknown Roman-era forts, in what is now Iraq and Syria, a new study found.