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.

FILE - A mushroom cloud rises from a test blast at the Nevada Test Site on June 24, 1957. (U.S. Energy Department via AP, File) VIENNA (AP) — In the wake of U.S. President Donald Trump’s suggestion ...

The Pentagon is quietly transporting a next-generation nuclear reactor across the American West, routing it from Southern California through Utah, in what amounts to a live stress test for the country ...

"We've halted many years ago, but with others doing testing I think it's appropriate to do so," the president told reporters aboard Air Force One. Experts say that the resumption of testing would be a ...