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

State Department alleges China conducted nuclear test in 2020, reigniting debate over U.S. testing moratorium and ...

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

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

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

At a event in Washington D.C., A U.S. official said a remote earthquake in 2020 was caused by a Chinese nuclear test.

The U.S.' top arms control official confirmed a Chinese nuclear test first suspected in 2020.

"I can reveal that the U.S. government is aware that China has conducted nuclear explosive tests, including preparing for ...

Right now, there are over 400 nuclear power plants operating in 20 countries. Could they be ticking time bombs? Possibly ...

President Trump’s approach to this new, unbound era is alarming in both its words and its mechanics. Rather than preserving the stability that has held for half a century, the administration is ...

Late last week, Israel targeted three of Iran's key nuclear facilities—Natanz, Isfahan and Fordow, killing several Iranian nuclear scientists. The facilities are heavily fortified and largely ...