Japan’s three historic nuclear events — the atomic bombings of Hiroshima and Nagasaki in the closing days of World War II and ...

Firings and buyouts hit the top-secret National Nuclear Security Administration amid a major effort to upgrade America’s ...

The Atomic Bomb Dome, also known as the Genbaku Dome, stands as a haunting yet powerful reminder of the devastation wrought ...

A reader responds to a story about today's school shooter drills with a recollection of drills in the late 1950s to prepare ...

The late 1950s were such an optimistic time in America. World War II had been over for less than a decade, the economy boomed thanks to pent-up demand after years of privation, and everyone was ...

A piece of artillery more than 100 years old was uncovered in Massachusetts and was detonated for safety. Someone cleaning a ...

two reports by the UN nuclear watchdog said on Wednesday. The stock of uranium enriched to up to 60% fissile purity, close to the roughly 90% of bomb-grade, has been a long-standing concern for ...

two reports by the U.N. nuclear watchdog showed on Wednesday. The stock of uranium enriched to up to 60% fissile purity, close to the roughly 90% of bomb grade, has been a long-standing concern ...

He said that without the participation of nuclear-armed states at the conference, it's practically impossible to ensure the implementation of effective measures on nuclear disarmament.

two reports by the U.N. nuclear watchdog said on Wednesday. The stock of uranium enriched to up to 60% fissile purity, close to the roughly 90% of bomb grade, has been a long-standing concern for ...

Imagine, for example, that China launches a nuclear bomb that completely destroys Manchester. A rational British prime minister may prefer to end hostilities and accept the destruction of a major ...