For years, the KGB secretly spied on visitors to the Hotel Viru in Estonia. A new museum reveals the fascinating time capsule and all the secrets within
April 09, 2013 | By Andrew Curry
Lunch with the Soviet leader was Tinseltown's hottest ticket, with famous celebrities including Marilyn Monroe and Dean Martin
July 2009 | By Peter Carlson
Iowa-born and army-trained, how did George Koval manage to steal a critical U.S. atom bomb secret for the Soviets?
May 2009 | By Michael Walsh
As part of the Soviet Union's spy ring, these Americans and Britons leveraged their access to military secrets to help Russia become a nuclear power
April 20, 2009 | By Marian Smith Holmes
The Soviet Union was a puzzle. Al Qaeda is a mystery. Why we need to know the difference
June 2007 | By Gregory F. Treverton
In the former Soviet Union, "rad rangers" are racing to find lost radiation devices before terrorists can turn them into "dirty bombs"
March 2003 | By Richard Stone