The Hiroshima bomb is the most devastating to have been used in real combat. But today’s nuclear weapons are far, far more ...

On August 6, 1945, a 10-foot-long uranium bomb called "Little Boy" was dropped on the Japanese city of Hiroshima.

The first series of thermonuclear tests took place on Nov. 1, 1952, on the small Pacific island of Elugelab at Enewetak Atoll ...

As the world marks the 80th anniversary of the first use of a nuclear weapon, on the Japanese city of Hiroshima near the end ...

Kazumi Matsui said the conflicts in Ukraine and the Middle East meant a growing acceptance of nuclear weapons.

On Aug. 6, 1945, the U.S. dropped an atomic bomb on Hiroshima and three days later, dropped another one on Nagasaki.

Thousands bowed their heads in prayer in Hiroshima on Wednesday, as the city's mayor warned world leaders about the nuclear warheads that still exist.

Hiroshima was bombed by the American military on Aug. 6, 1945, causing the deaths of about 140,000 residents by the end of ...

"As a little kid, you're just in awe that all these people want to see and talk to the man that tucked you in bed every night ...

Koko Kondo's story is one of choosing forgiveness over hate—and is a lesson for humanity, writes David Cavell.