Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an ...

UN Nuclear watchdog, the International Atomic Energy Agency (IAEA), has said that Iran holds 440.9 kg (972 pounds) of highly ...

How close is Iran to a nuclear bomb? Satellite images reveal scale of damage from US-Israeli strikes - Trump says US and Israel launched attacks on Iran to eliminate threat of it creating a nuclear we ...

The United States has revealed new details about a Chinese underground nuclear test that it claims happened nearly six years ...

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

A nuclear escalation in the Middle East would trigger a global catastrophe. Know the physics behind nuclear weapons, and the ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

After a 4.3 magnitude earthquake hit Khonj, speculation of a secret Iranian nuclear test erupted. We break down the seismic signatures, enrichment levels, and expert analysis to determine if Tehran ...

Remarks by a top administration official appeared to be aimed at dispelling skepticism of its assertions, as President Donald ...

The Enola Gay, the plane that dropped the atomic bomb on Hiroshima in World War II, is now a museum exhibit.

Fears of World War 3 and nuclear attacks are on the rise. But how safe would you be in DC, VA and MD during nuclear war? See vulnerable spots.