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

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

The United States military has tested its Minuteman lll nuclear ballistic missile at Vandenberg Space Force Base in ...

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 ...

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

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

A 4.3 magnitude earthquake in Iran’s Gerash region has ignited global speculation amid escalating U.S.-Israel strikes on ...

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 ...

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 ...

Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Nuclear weapons tests were once a regular occurrence, but most countries haven’t tested in decades, following the adoption of the Comprehensive Nuclear-Test-Ban Treaty in 1996. Now, that moratorium ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE - In this photo taken from video released by Russian Defense Ministry Press Service on Oct. 26, 2022, a Yars intercontinental ...