Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an ...

ALBUQUERQUE, N.M. — Transported in the backseat of a blacked-out Plymouth sedan was the culmination of years of feverish work — a hefty plutonium core that would soon be used to trigger the world’s ...

US officials suggest that Chinese scientists may have conducted tests in this mysterious enclave. This is where Beijing detonated its first atomic bomb in 1964. At the eastern end of the Taklamakan ...

"The jury remains out on whether the June 2020 event was a nuclear test or not. What is certain is that we are in a time of ...

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re ...

The Rulison test — conducted at a depth of 8,425 feet — was the deepest subterranean nuclear-bomb detonation conducted in U.S. history.

Hanford nuclear site scientists helped process samples collected by field biologists to determine potential radiological ...

VIENNA (AP) — The United States and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests. Experts say ...