Add Yahoo as a preferred source to see more of our stories on Google. President Donald Trump’s calls to ramp up nuclear weapons testing last week have put nuclear watchdogs and world leaders on alert ...

Sen. Jacky Rosen went deep underground at the Nevada National Security Site on Monday, April 13, 2026, using a tour of a high ...

President Trump’s call to resume nuclear tests was muddied this week when Energy Secretary Chris Wright said the United States would not resume explosive testing, which was last conducted in the 1990s ...

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.

The 1996 Comprehensive Nuclear Test Ban Treaty (CTBT) has not yet entered into force due to the failure of eight key states, including the United States and China, to ratify it and Russia’s decision ...

The United States’ impending resumption of nuclear testing after more than three decades is being touted by President Donald Trump as a method to challenge adversaries. Nuclear experts question the ...

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 ...

The US said it has intelligence that China conducted banned nuclear explosive tests. The nuclear monitoring organization said it hadn't detected activity related to an explosive test. China is ...