The U.S. Department of Energy’s (DOE) designation of South Korea as a “sensitive country” has ignited domestic controversy, ...

A new exhibition in New York brings together a diverse collection of posters reflecting the opposing ideologies surrounding ...

A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an asteroid set to strike Earth - in a simulation.

U.S. allies around the world are warming to the idea of developing their own nuclear weapons, the result of a growing sense ...

mastered nearly all the technologies needed to make a simple nuclear weapon. It is believed that Iran has not yet acquired all the skills needed to design a small warhead that could be carried ...

The nations don’t need nuclear weapons to deter adversaries from a nuclear attack, according to the policy, because the United States guarantees to strike back on its allies’ behalf.

In the 80 years since the U.S. attacks on Japan, no other country has used a nuclear weapon in war. That remarkable record could soon be broken and all progress lost.