Few scenarios scare pundits and policymakers as much as the prospect of nuclear proliferation. Russia’s willingness to dangle the threat of deploying tactical nuclear weapons in its war against ...

The Trump administration has repeatedly said the U.S. should be in control of Greenland, which is part of Denmark and NATO.

Aerial view of Hiroshima, Japan, after atomic bombing of August 6, 1945. Whether a nuclear weapon might again be used by one nation against another is a question that has haunted the world for nearly ...

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a strike.

Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump meant he when said he had instructed the Pentagon to resume nuclear ...

MOSCOW (Reuters) -U.S. President Donald Trump on Sunday said Russian President Vladimir Putin's offer to voluntarily maintain limits for a year on deployed strategic nuclear weapons "sounds like a ...