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 ...

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 ...

WASHINGTON, March 24 (Reuters) - A senior State Department official on Tuesday said the U.S. still is assessing how to implement President Donald Trump's order to resume U.S. nuclear weapons tests, ...

Under Secretary for Nuclear Security at the US Energy Department Brandon Williams noted that the department conducted "more than a thousand" non-explosive tests on its nuclear stockpile every year ...