The hydrogen bomb was tested over Novaya Zemlya in the Arctic Ocean. The explosion was so massive that it broke windows over 900 kilometers away and caused damage to buildings even further.

That's over 1,600 times more powerful than the largest nuclear bomb ever tested (the Tsar Bomba). The explosion would pulverize billions of tons of basalt rock on the ocean floor, triggering a ...

Results of the explosion seemed to indicate the device as more similar to a powerful fission bomb than an actual hydrogen bomb. The test’s explosion yielded the equivalent of 400 kilotons of TNT ...

North Korean leader Kim Jong-un has hailed the recent test of a hydrogen bomb, calling it a “great victory,” the Korean Central News Agency (KCNA) reported Sunday. Kim took part in a feast at Mokran ...

This booklet was given to servicemen involved in Operation Grapple, the H Bomb test, carried out on ... a Geiger counter to gain readings after the explosion. HMS Warrior sailed around South ...

"We have evidence," he said, "that within recent weeks an atomic explosion occurred in the ... for a "high-priority" program to build a hydrogen bomb. In the next few months, both men dedicated ...