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 ...

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

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

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

The nuclear taboo doesn’t seem to be as powerful for machines [as] for humans,” said Payne, according to specialty magazine ...

CHINA has been accused of a massive nuclear expansion as well as carrying out secret tests, as the United States bids to ...

US intelligence agencies believe China is developing a “new generation” of nuclear weapons — with Beijing having reportedly conducted at least one undisclosed explosive test already. China’s plan to ...

US officials reportedly believe China’s nuclear expansion is narrowing the gap with the United States and Russia, potentially ...

The U.S. government revealed new intelligence on Tuesday suggesting China may have conducted an ...

MOSCOW, Feb 24 (Reuters) - Russia accused Ukraine on Tuesday of trying to obtain a nuclear weapon with help from Britain and ...

President Trump is pressuring Iran to either curtail its nuclear program or face military strikes, after Iran amassed a large ...

Russia has accused Britain of planning to supply Ukraine with a nuclear weapon. Russia’s foreign intelligence service (SVR) claimed the UK and France wanted to provide Ukraine with a “Wunderwaffe”, a ...