As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

In the face of such facts, Trump changed his story. He said that Russia and China are conducting secret nuclear tests and ...

Opinion: This op-ed's authors argue that the president's nuclear testing comments were correct, considering America's aging ...

President Donald Trump said this week that he wants the Defense Department to begin testing nuclear weapons "immediately," but experts say that's wishful thinking. The U.S. has only one location where ...

WASHINGTON, Nov 25 (Reuters) - Democratic U.S. Senator Edward Markey on Tuesday urged President Donald Trump not to resume explosive nuclear weapons testing, saying that doing so could spur rival ...

WASHINGTON — Democratic senators representing states that bore the brunt of the fallout from explosive nuclear weapons testing are seeking to pass legislation that would bar President Donald Trump ...

President Donald Trump has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...

Was President Trump’s recent directive to resume U.S. nuclear testing — after a hiatus of 33 years — an actual policy decision? Or was it a political stunt to project toughness? His surprise ...