EARTHQUAKES have been rattling the grounds near a mysterious military testing range that’s known for stockpiling nuclear weapons. The Tonopah Test Range in Nevada, also called Area 52, has ...

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

Add Yahoo as a preferred source to see more of our stories on Google. The US said it has intelligence that China conducted banned nuclear explosive tests. The nuclear monitoring organization said it ...

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 ...

President Donald Trump has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...

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 ...

A Lockheed Martin F-35A stealth fighter from the US Air Force (USAF) test dropped multiple inert versions of a nuclear bomb in August. The USA’s Sandia National Laboratories, a Honeywell subsidiary ...

MAJURO, MARSHALL ISLANDS — Lemeyo Abon learned about snow from the movies played on projectors by visiting American sailors. But living on Rongelap — a remote tropical atoll in the central Pacific ...

Discussing nuclear weapons earlier this month, Chinese Foreign Ministry spokesperson Mao Ning said the nation “is committed to peaceful development, follows a policy of ‘no first use’ of nuclear ...

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. The undersecretary of state for arms control and ...