The CIA’s Operation Midnight Climax used LSD and brothels in secret mind-control experiments during the 1960s. Discover the ...

Again, the Soviet example is a good one. In the lead-up to the second World War, and repeatedly during the war years, the Soviet Union squandered intelligence from the best spy network ever.

In 1974, the U.S. attempted something no one thought was possible: recover a sunken Soviet nuclear sub in total secrecy.

Russia has significantly depleted its extensive stockpiles of Soviet-era weaponry since its full-scale invasion of Ukraine, ...

Former intelligence officials spoke about Soviet espionage efforts prior to and during the Cold War. Among the topics they addressed were methods of intelligence gathering, counterintelligence ...

'The Soviets didn’t train for aesthetics. They trained for war,' says hybrid athlete and author James Pieratt of Wild Hunt ...

Once-secret government documents are revealing new, long-hidden details on one of the CIA's biggest Cold War controversies, involving defecting Soviet intelligence agents and U.S. counterspy ...

American intelligence before World War II was often as-needed and ad hoc. It could claim some critical successes, but it was far from the global network of informants used by the Soviet Union.

For Soviet intelligence, an obvious benefit of using TASS for espionage was that, as an official organ of the Soviet state, it enjoyed diplomatic immunity.

In reality, the man was a Soviet intelligence agent named Aleksandr Demyanov. One of the most successful intelligence operations in the history of the USSR had now entered its active phase.