Spies have always lived among us. (There are even spies in the Bible – most famously Caleb, sent by Moses to report back surreptitiously from Canaan.) By definition, they have the ability to fly under ...

The former slave known for leading more than 300 people—including her elderly parents—to freedom as a conductor on the Underground Railroad was also a Union spy. Born in Maryland around 1820, Tubman ...

In almost every war in history, spies have had a big role in the outcome of the war. Those who played both sides, put themselves in danger in order to learn secrets, and played the part to get helpful ...

WASHINGTON -- In ordering the largest mass expulsion of Russian diplomats ever, the U.S. and its allies have upped the ante in an East-West spy game dating to the Cold War and casting light on an ...

The series told the story of two Soviet spies who pretended to be Americans.

To determine the most famous spies in history, 24/7 Tempo consulted sources including Britannica, Biography, and History, as well as various news sites. Those on our list may not always have been the ...