The not-so-secret command post is cocooned in 2,000 feet of granite and houses a power plant, water supply, food stores, a ...

We got to go to bed early.” NORAD’s annual tracking of Santa has endured since the Cold War, predating ugly sweater parties and Mariah Carey classics. The tradition continues regardless of ...

now NORAD, a joint U.S. and Canadian effort to spot potential enemy attacks. Tensions were growing with the Soviet Union, along with anxieties about nuclear war. Air Force Col. Harry W.

We got to go to bed early.” NORAD’s annual tracking of Santa has endured since the Cold War, predating ugly sweater parties and Mariah Carey classics. The tradition continues regardless of government ...

Greenland has been home to top-secret U.S. nuclear weapons base. Today its melting ice cap is a top concern as it threatens the world's oceans.

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit that is expected to provoke teeth-chattering but not be record-shattering.

The polar vortex of ultra-cold air usually stays penned up around the North Pole, spinning like a top. But sometimes it escapes or stretches down to the U.S., Europe or Asia — and that's when ...

Multiple bursts of increasingly brutal, cold Arctic air will overspread the eastern two-thirds of the country over the next few days, dropping temperatures to dangerous lows by next week.