A man charged with espionage against Warsaw and its allies was remanded in custody for three months by a Polish court on ...

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

A spy working for one of the Asian countries formed after the collapse of the Soviet Union was detained by Poland’s Internal ...

During the cold war, naval intelligence used hydrophone arrays to detect low-frequency sea noise from submarines crossing the ...

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

Sandra “Sandy” Grimes, the former CIA officer best known for helping expose Soviet mole Aldrich Ames, has died at the age of 80.

Ukraine’s military intelligence chief Kyrylo Budanov says Moscow is allocating $1.1 trillion for rearmament by 2036, warning ...

The Ukrainian citizen said his father was a Soviet intelligence agent in Cuba during the Cold War, posing as a translator, and his cousin works with the Russian security service. Kolesnikov told ...

In the Soviet and Russian competition for the KGB and FSB, the smaller GRU military intelligence organization often outperformed them. That was not the case in Ukraine, where the GRU also failed. This ...

The AI battle between China and the US is less about profits and return on investment, and more about geopolitics — national ...

Peter Earnest, executive director of the museum, told ABCNews that during the Cold War, the Soviet Union and the United States got caught up in an "intelligence arms race" that was inspired, at ...