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

Last year, President Donald Trump shocked many people when he instructed the government to resume nuclear testing “on an ...

The ongoing conflict between the US and Iran has raised suspicions about potential nuclear tests by the United States, despite official denials. Recent unusual seismic activity, including 16 tremors n ...

VIENNA (AP) — The United States and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests. Experts say ...

The timing of the earthquake has sparked speculation on social media, particularly given the ongoing conflict involving Iran, Israel and the United States.

Beijing and Moscow build their arsenals while the U.S. restrains itself.

Add Yahoo as a preferred source to see more of our stories on Google. The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington ...

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 ...

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 ...

After a 4.3 magnitude earthquake hit Khonj, speculation of a secret Iranian nuclear test erupted. We break down the seismic signatures, enrichment levels, and expert analysis to determine if Tehran ha ...

The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...