A single warhead carried on a ballistic missile could kill up to a million people and injure even more.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Only nine nations in the world are known to possess their own nuclear ...

The vast nuclear arsenal of the US has seen some of its weapons scattered across the globe, with atomic bombs lost to the depths of the ocean — potentially waiting to be discovered by anyone. As ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A nuclear bomb map created using a simulation tool shows the ...