Thermonuclear Device

The group behind the famed Doomsday Clock announced at a news conference that it was adjusting the countdown to the End of it All by moving the hands 30 seconds closer to midnight - the closest the clock has been to Doomsday since 1953, after the United States tested its first thermonuclear device, followed months later by the Soviet Union's hydrog...

North Korean leader Kim Jong-Un has hinted that his nuclear-armed state has developed a hydrogen bomb, a move that would signal a major step forward in its nuclear weapons capabilities.

The group behind the famed Doomsday Clock announced at a news conference that it was adjusting the countdown to the End of it All by moving the hands 30 seconds closer to midnight - the closest the clock has been to Doomsday since 1953, after the United States tested its first thermonuclear device, followed months later by the Soviet Union's hydrog...

North Korean leader Kim Jong-Un has hinted that his nuclear-armed state has developed a hydrogen bomb, a move that would signal a major step forward in its nuclear weapons capabilities.