A Cold War nuclear bunker could be turned into a tourist ... allowing them to measure blast waves and radioactive fallout. The structure, which is accessed via a ladder, had space for three ...

Several states will likely experience record-breaking cold temperatures this week amid an arctic blast that is prompting extreme cold warnings across much of the central U.S. Several states will ...

During the Cold War, Canada and the United States built a ... It could withstand a four megaton blast (267 times more powerful than the bomb dropped on Hiroshima). It wasn’t dependent on the ...