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

China has been accused of carrying out a nuclear test and trying to keep it hidden from the world. The test took place in June 2020 - in violation of the Comprehensive Nuclear Test Ban Treaty, senior ...

Earlier this month, the New START treaty, a strategic-arms reduction agreement between Russia and the United States to limit their nuclear arsenal, expired. That accord was the last in a series of ...

In July 1946, the Bikini Atoll tests pushed the world into the atomic age by turning nuclear destruction into a public ...

(CNN) — US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

SEOUL/WASHINGTON - North Korea has scheduled the dismantlement of its nuclear test site for sometime between May 23 and 25, depending on weather conditions, in order to uphold its pledge to ...

Rafael Grossi, Director General of the International Atomic Energy Agency (IAEA), stressed the importance of adhering to the ...

FILE - Christopher Yeaw, center, arrives to a Senate Foreign Relations Committee confirmation hearing on his nomination to be an assistant Secretary of State, Nov. 19, 2025, on Capitol Hill in ...

Last week, NPR and other news outlets aired a story about a possible nuclear test conducted in China. Assistant Secretary of State Christopher Yeaw alleged that China had conducted a clandestine ...

As major powers renew their focus on nuclear testing, the world may be entering a new nuclear era. Accusations that Beijing has conducted secret nuclear tests should trigger greater focus on China’s ...

The Demonstration of Microreactor Experiments test bed - built from the repurposed Experimental Breeder Reactor-II facility at Idaho National Laboratory - is now ready to host its first fuelled ...