There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

Top university scientists created a map simulation of who across North America would be impacted by nuclear fallout in the event of a nuclear explosion ...

The United States has revealed new details about a Chinese underground nuclear test that it claims happened nearly six years ago. The disclosure comes as tensions rise over global nuclear arsenals ...

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

The possibility of a nuclear explosion is a terrifying thought, but understanding how to respond in the critical first hour could be the key to survival. Though nuclear blasts are often depicted in ...

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 ...

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.

A US official has presented evidence of a secret Chinese nuclear test, raising tensions in global arms control discussions.

Nuclear weapons tests were once a regular occurrence, but most countries haven’t tested in decades, following the adoption of the Comprehensive Nuclear-Test-Ban Treaty in 1996. Now, that moratorium ...

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

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