The Doomsday clock remained set at 90 seconds to midnight in its newest update Tuesday morning — the latest iteration of a decades-old international symbol meant to illustrate how close humanity ...

The Doomsday Clock - which shows how symbolically close the world is to nuclear Armageddon - is to remain at 90 seconds to midnight. Scientists have listed reasons for keeping its hands the ...

The Doomsday Clock first appeared on the cover of the bulletin in 1947, when it showed the planet had only “seven minutes to midnight.” When the former Soviet Union developed atomic bombs in ...