US intelligence agencies believe China is developing a “new generation” of nuclear weapons — with Beijing having reportedly ...

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

A US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June 2020.

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

Remarks by a top administration official appeared to be aimed at dispelling skepticism of its assertions, as President Donald Trump vows to restart U.S. tests.

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 ...

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

The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

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 ...