US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one ...

The United States has revealed new details about a Chinese underground nuclear test that it claims happened nearly six years ...

This area, known as Lop Nur, or Lop Lake, is often likened by defence experts to Area 51, the fabled compound where the US tests its most classified and cutting-edge aircraft. Isolated and tightly ...

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

GENEVA (AP) — A U.S. official focusing on arms control on Monday provided what he called new, declassified details of a ...

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

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

The US accused China of secret nuclear tests, banned under international agreement, that were building toward tests of larger nuclear warheads.

The Russian parliament urges international bodies and lawmakers to review alleged plans to supply nuclear explosive devices ...

Donald Trump has trampled on another taboo, and it’s a good thing. The president said in a Truth Social post that the United States will begin “immediately” testing our “Nuclear Weapons” on “an equal ...

Stony Brook operated under code names such as “Site Item,” and personnel often described their unit in deliberately vague terms. The secrecy was intentional. Even as B-52s roared overhead from ...