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 ...

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

UN Nuclear watchdog, the International Atomic Energy Agency (IAEA), has said that Iran holds 440.9 kg (972 pounds) of highly ...

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 ...

Remarks by a top administration official appeared to be aimed at dispelling skepticism of its assertions, as President Donald Trump vows to restart U.S. tests.

CHINA has been accused of a massive nuclear expansion as well as carrying out secret tests, as the United States bids to force Beijing to join a future arms control treaty. Washington has claimed ...

A US official has presented evidence of a secret Chinese nuclear test, raising tensions in global arms control discussions.

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 ...

Fears of World War 3 and nuclear attacks are on the rise. But how safe would you be in DC, VA and MD during nuclear war? See vulnerable spots.

A 4.3 magnitude quake in Fars province was confirmed natural by United States Geological Survey and Comprehensive Nuclear-Test-Ban Treaty Organization, dismissing nuclear test rumors amid debate over ...

Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.

The U.S. agency in charge of nuclear weapons achieved a record production of tritium, a radioactive gas that increases the explosive power of nuclear warheads, after the Tennessee Valley Authority got ...