In October 1961, a specially modified Tu-95V carried the largest nuclear weapon ever detonated - the Tsar Bomba - toward ...

David Holloway, a Stanford University-based but Dublin-born historian of the nuclear age, is more cautious about how ...

After the first Soviet nuclear detonation in 1949, Moscow pushed hard to create a more practical and efficient weapon. The answer was RDS-3, a bomb with a mixed uranium-plutonium core that conserved ...

On April 26, 1986, Soviet engineers at the Chernobyl nuclear power plant were conducting a safety test. Doomed by a fatal ...