In May 1974 India successfully detonated its first atomic device. It had been developed in secret with the codename Smiling Buddha. India called it a peaceful nuclear explosion, though the ...

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

"The jury remains out on whether the June 2020 event was a nuclear test or not. What is certain is that we are in a time of ...

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

A Trump administration official said that a remote seismic station in Kazakhstan measured an “explosion” in western China on June 22, 2020. China denies conducting a test.

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

China said US claims that it was carrying out nuclear explosive tests were baseless, and it accused Washington of being the main cause of uncertainty over the global nuclear order, according to a ...

(Reuters) -U.S. President Donald Trump ordered the U.S. military on Thursday to immediately resume testing nuclear weapons after a gap of 33 years, minutes before beginning a meeting with Chinese ...

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...