Looking to buy a doomsday survival shelter or bunker for sale? These bomb shelters, underground complexes and missile bases ...

Jed Stonacek (from left), Kelli Dorsey and Brian Dorsey wade out of the water at Holmes Lake during Saturday's Polar Plunge.

According to a filing in the related probate case, Andrew Flair Outdoors LLC, Hooya Enterprises LLC and Michael Flair offered to pay a confidential cash sum to settle the lawsuit.

The test "is not a response to current world events," as it is a routine and periodic activity, which showcased America's ...

President Donald Trump has the sole power to launch the 15,0000-mph missile when it's armed, according to the military.

A massive American web of orbiting missile interceptors could in theory protect the U.S. from an all-out Russian nuclear ...

The United Kingdom is boosting Ukraine's air defense with the Gravehawk system, which is designed to transform Soviet-era ...

During the Cold War, the U.S. built Camp Century under Greenland's glacier as a covert military base. Initially posed as a research facility, the base suffered from a nuclear reactor leak and unstable ...

Documents detailed the true extent of Camp Century and the incredible American ingenuity that brought it to life.

At a press conference with Indian Prime Minister Narendra Modi on Thursday, President Trump once again reiterated his desire ...

A new monument will be put up in southeast New Mexico honoring the sacrifices eight men made while aiding the United States' nuclear efforts during the Cold War. "These men died during a tremendous ...