Add Yahoo as a preferred source to see more of our stories on Google. The NORAD Cheyenne Mountain Complex dates back to the height of the Cold War. Initially meant for defense against long-range ...

As global tensions rise, many people are asking: is World War III possible? While no large-scale war has started, nations are preparing for worst-case scenarios. The United States has one of the most ...

Under regularly revised contingency plans, the US president would be evacuated to one of several sites in Colorado, ...

COLORADO SPRINGS — Not everyone enjoys the snow, whether it's because of the road conditions or the cold. But, someone at the Cheyenne Mountain Zoo doesn't mind it. Emmett, a 19-year-old grizzly bear ...

If a nuclear war were to break out, there are a number of places that President Donald Trump could take shelter to hide from such attacks.

Deep inside a Colorado mountain lurks a remnant of the Cold War era. Buried 2,000 feet beneath Cheyenne Mountain is a secret military complex, where 15 buildings can seal themselves off from the rest ...

The NORAD Cheyenne Mountain Complex dates back to the height of the Cold War. Initially meant for defense against long-range Soviet bombers, it now provides backup and training. The self-sufficient ...