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

A U.S. official revealed details of an alleged Chinese nuclear test, urging global cooperation for disarmament while ...

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

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

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 ...

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

U.S. releases seismic data alleging a secret 2020 Chinese nuclear test at Lop Nur as global arms control agreements continue ...

Confusion and ambiguity are dangerous in nuclear brinksmanship. President Donald Trump spread both on Wednesday when he ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...

Jay Cowan still worries about the Rulison blast’s proximity to the Colorado River and expresses disbelief at the 107 days that radioactive gas was burned in order to test whether the radionuclides ...

A Trump administration official said that a remote seismic station in Kazakhstan measured an “explosion” in western China on ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...