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

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

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

In a move that sent tremors through the global security landscape, the United States, in February 2026, publicly accused ...

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

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

But the Comprehensive Test Ban Treaty Organization said that there was insufficient data to confirm the allegation. Read more ...

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

Seismic data points to a detonation in northwest China, U.S. says.

WASHINGTON — Democratic senators representing states that bore the brunt of the fallout from explosive nuclear weapons testing are seeking to pass legislation that would bar President Donald Trump ...

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 ...