On July 16, 1945, the US conducted the world's first test of a nuclear weapon. Less than a month later, two bombs were dropped on the Japanese cities of Hiroshima and Nagasaki, bringing about the ...

Scientists have since been studying the massive hole and have concluded that it was not an average asteroid strike, but was ...

the US blew up the world's first hydrogen bomb - a far more powerful nuclear device than atomic bombs. Codenamed Ivy Mike, the 82 tonne-weapon was detonated in the Marshall Islands in the Pacific ...