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

A US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June ...

Iran cannot use 60% enriched uranium directly in its current form (UF₆, which is stored as a solid in cylinders but handled ...

According to President Trump, the latest U.S. incursion into the Middle East is justified in part because he was not ...

US intelligence agencies believe China is developing a “new generation” of nuclear weapons — with Beijing having reportedly ...

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

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

Escalating global tensions have increased the risk of nuclear conflict, with experts warning that major US cities like New ...

A chilling map shows the areas of the United States that would be worst affected by a nuclear conflict, with up to 75% of ...

North Korea warned this week that it might test a hydrogen bomb in the Pacific Ocean, after saying the country had already ...

Social media-fueled theories of World War 3 have raised questions over what US states are safe should nuclear war happen.

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