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 ...

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 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 ...

“Neither China or Russia has conducted a nuclear explosive test, so I’m not reading anything into it or reading anything out to it.” If confirmed to the position, Correll would be responsible for the ...

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.

Erin D. Dumbacher is Stanton nuclear security senior fellow at the Council on Foreign Relations. President Donald Trump this week posted on social media that he had ordered the immediate resumption of ...

The U.S. Army is testing a new 30-millimeter round designed to help attack helicopters counter the growing threat posed by enemy drones on the battlefield.

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.