Sepa reports, released after a six-year information battle, show up to half of the base’s 1,500 water pipes had exceeded ...

The last nuclear arms pact between the U.S. and Russia is expected to end in February, and is unlikely to be renewed.

The southern Japanese city of Nagasaki on Saturday marked 80 years since the U.S. atomic attack that killed tens of thousands ...

As Japan marks 80 years since the atomic bombings of Hiroshima and Nagasaki, the country's postwar identity is shifting.

At 11:02 a.m. Aug. 9, 1945, from 1,650 feet above Nagasaki, “Fat Man,” an atomic bomb fueled with Hanford site plutonium, was ...

The photos, originally published in 2015 by Eugene Hoshiko, the AP chief photographer in Tokyo, show more than remnants of ...

The western Japanese city was levelled on Aug. 9, 1945, when the United States dropped a 10,000-pound plutonium-239 bomb, ...

On the 80th anniversary of the U.S. atomic bombing of Nagasaki, Japan, peace activists representing faith-based and secular ...

Ari Beser’s grandfather was on the two B-29 bombers that dropped atomic bombs on Hiroshima and Nagasaki in August 1945 ...

Survivors hope their harrowing memories can help make their hometown the last place on Earth to be hit by a nuclear bomb.

The incident occurred at the Royal Navy weapons depot in Coulport, where nuclear warheads for four Vanguard-class submarines carrying American Trident II ballistic missiles are stored ...