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 ...

Although President Trump has claimed Iran was weeks away from developing a nuclear weapon, much more work was needed for the country to do so ...

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 ...

There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

Last year, President Donald Trump shocked many people when he instructed the government to resume nuclear testing “on an equal basis” with China and Russia. This statement seemed to suggest that our ...

The United States has revealed new details about a Chinese underground nuclear test that it claims happened nearly six years ago. The disclosure comes as tensions rise over global nuclear arsenals ...

A DF-17 road-mobile medium-range ballistic missile is seen during a military parade in Beijing's Tiananmen Square on September 3, 2025. China may want to develop new nuclear warheads for its ...

The U.S. launched "Operation Epic Fury" against Iran on Feb. 28, bombing over 1,000 targets. The Trump Administration's stated goals include destroying Iran's missile capabilities and preventing it ...

Social media-fueled theories of World War 3 have raised questions over what US states are safe should nuclear war happen.

According to President Trump, the latest U.S. incursion into the Middle East is justified in part because he was not ...

From expiring treaties to AI-accelerated warfare, the guardrails that once limited nuclear risk are rapidly disappearing, Dr. Ira Helfand writes.

Iran cannot use 60% enriched uranium directly in its current form (UF₆, which is stored as a solid in cylinders but handled ...