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. Photo by Yuri ...

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 United States hasn't tested nuclear weapons in three decades — but that might be about to change. The big picture: President Trump called for renewed nuclear tests on Wednesday, something the U.S.

President Donald Trump announced on Wednesday that he is ordering the United States to resume nuclear testing, leaving experts wondering what this testing would entail and how it would be implemented.

Nevada Democrats are pushing for more detail into Donald Trump’s call to resume nuclear testing as members of the president’s administration say publicly that explosive testing is unlikely. Sens.

Yuma Test Center at U.S. Army Yuma Proving Ground recently tested a new 30-mm Aviation Proximity Explosive (APEX) round primarily developed for firing ...