Social media-fueled theories of World War 3 have raised questions over what US states are safe should nuclear war happen.

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 ...

“Nowhere is truly ‘safe’ from fallout and other consequences like contamination of food and water supplies and prolonged radiation exposure.” These are the words of John Erath, Senior Policy Director ...