An unusual crystal created by America’s first nuclear bomb test could help scientists understand a structure needed for ...

Satellite imagery of two Kusong sites in North Pyongan province shows new construction and repairs linked to nuclear weapons ...

The head of the organization overseeing a treaty banning nuclear testing is warning that if the United States, Russia or any ...

India’s nuclear arsenal has always been modest—large enough to deter China and Pakistan from a first strike, and not ...

The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...

Two more tests followed on May 13, formally declaring India a nuclear weapons state and signalling that New Delhi was ...

A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...

India's nuclear journey began with the 1974 'Peaceful Nuclear Explosion' at Pokhran, making it the sixth nation to harness ...

Maralinga was developed in South Australia, about 650 miles north west of Adelaide, as a permanent nuclear proving test ...