At the other end of the spectrum lies Russia’s “Tsar Bomba", the largest nuclear device ever detonated. With an explosive yield of 50 megatons of TNT, it was roughly 3,800 times more powerful than the ...

The first thermonuclear bomb test (hydrogen bomb), Ivy Mike, was conducted by the United States in 1952.The Soviet Union tested the Tsar Bomba in 1961, which was the most powerful bomb ever detonated.

Images taken in the wake of the disaster showed ... The explosion is believed to have rivalled the power of the Tsar Bomba - the largest nuclear weapon ever detonated. Some researchers have ...