During the intense nuclear testing programs of the Cold War, the United States conducted an extraordinary series of ...

In 1958, just before a ban on atmospheric testing took effect, the United States carried out a highly secret naval operation ...

Washington — President Trump directed the Pentagon on Wednesday to resume testing of nuclear weapons "on an equal basis" with other countries' tests, possibly ending a decades-long U.S. pause that ...

Fallout from the Upshot-Knothole Harry test on May 19, 1953 spread radiation over Nevada and Utah, sparking long-term cancer ...

How a deadly miscalculation turned a Cold War experiment into a radiological disaster.

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 ...

Nov. 6 (UPI) --President Donald Trump's calls to ramp up nuclear weapons testing last week have put nuclear watchdogs and world leaders on alert while experts say the United States has little to gain.

Australia has said “all nations” - including the US - should refrain from nuclear weapons testing after Donald Trump announced plans to potentially start exploding nukes for the first time in more ...

"There is nothing like this," the Russian president said of one of the two nuclear weapons he flaunted this week On Wednesday, over tea and cakes with veterans of the Ukraine war, President Vladimir ...