Top university scientists created a map simulation of who across North America would be impacted by nuclear fallout in the event of a nuclear explosion ...

A nuclear blast is often imagined as a single instant of destruction. In reality, for many farther from the explosion, danger would unfold over hours and days as fallout traveled with wind and weather ...

Federal officials and agencies that work closely on the nuclear weapons arsenal agree: The threat of nuclear conflict is rising and, with it, the risk of an attack on the U.S. In a sense, U.S. nuclear ...

If the bomb detonated at or near ground level, a towering mushroom cloud would form, sucking up soil, steel, concrete, and whatever remains of the people and buildings below. That cloud wouldn’t just ...

A chilling simulation has illustrated the catastrophic impact a nuclear strike could have on major British cities.

Fears of World War 3 and nuclear attacks are on the rise. But how safe would you be in DC, VA and MD during nuclear war? See vulnerable spots.