Beijing dismisses Washington’s accusations that it conducted nuclear tests in 2020 as “groundless” and calls on the US to uphold global commitments under the Comprehensive Nuclear-Test-Ban Treaty.

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

Oak Ridge National Lab and Kairos Power have launched a $27m partnership to advance fluoride salt-cooled high-temperature ...

Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.

France’s Blue Capsule has begun building its ELISE high-temperature sodium test rig to advance its industrial heat reactor project.

According to Gennady Gatilov, NATO countries' actions, including the development of security guarantees for Kiev, demonstrate their unwillingness to settle the Ukrainian conflict ...

According to Gennady Gatilov, the actions of the US administration, including President Donald Trump's October 2025 directive to resume nuclear testing, raise additional doubts about the Comprehensive ...

Rapid DNA tests, x-ray fluorescence guns, and other technologies are being deployed in the fight against wildlife trafficking ...

The ten nuclear developers working under a U.S. federal program to accelerate the deployment of small modular reactors are making progress toward their July 4 target date, with at least six already ...

The Cold War left many inglorious legacies. The Runit dome is a good example. From the outside, it looks almost too ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground nuclear test nearly six years ago. Also Monday, the assistant secretary of state ...

President Donald Trump on Monday threatened countries around the world to abide by any tariff deals they agreed to, despite ...