Operation Wigwam was a 1955 U.S. Navy test designed to measure what a deep underwater nuclear detonation would do to submarines, ships, and surrounding waters. Using a 32 kiloton device suspended ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

Donald Trump ended a 32-year U.S. nuclear testing pause after Russia revealed a tsunami-producing underwater drone. Donald Trump ordered the Pentagon on Wednesday night to restart nuclear weapons ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...

Add Yahoo as a preferred source to see more of our stories on Google. A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) (U.S. Atomic Energy ...

ABOARD AIR FORCE ONE (AP) — President Donald Trump declined to say Friday whether he plans to resume underground nuclear detonation tests, as he had seemed to suggest in a social media post this week ...

MOSCOW (AP) — Russian President Vladimir Putin ordered officials on Wednesday to submit proposals for a possible resumption of nuclear tests in response to President Donald Trump’s statements last ...

Energy Secretary Chris Wright on Sunday clarified that the new nuclear weapons tests ordered by President Donald Trump will not include nuclear detonations — despite Trump’s recent social media post ...