There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: U.S. Energy Secretary Chris Wright holds a press conference on the sidelines of the International Atomic Energy Agency ...

Top university scientists created a map simulation of who across North America would be impacted by nuclear fallout in the event of a nuclear explosion ...

Is the United States planning to resume nuclear explosions after more than 30 years? US President Donald Trump has ordered fresh tests of the American nuclear weapons system and he made the ...

Energy Secretary Chris Wright said Sunday that the Trump-ordered nuclear weapons tests will not involve explosions of any kind. “I think the tests we’re talking about right now are system tests,” ...

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

The 1960s monitoring post at Scarborough Castle would have housed volunteers in the event of war.

WASHINGTON — The nuclear weapons testing ordered by President Donald Trump will not involve nuclear explosions at this time, Energy Secretary Chris Wright said on Sunday. “I think the tests we’re ...

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...