The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

On August 6, 1945, the United States detonated an atomic bomb on the populous city of Hiroshima, Japan, killing a quarter of a million people. Eighty years — almost to the day — since the devastation ...

Israel needs a 15-ton “bunker buster” bomb to destroy the last untouched nuclear facility in Iran, but only the US has one. Such a powerful weapon — the largest non-nuclear bomb in the US arsenal — is ...

Many Americans—including students in the History of the Atomic Bomb course taught at the University of Texas at Austin by Bruce J. Hunt, A&S '84 (PhD)—have learned a version of this story: On Aug. 6, ...

The first reports were met with disbelief. A single bomb with the explosive force to level a city; a bomb, detonated with such intensity it burned as bright as — maybe, even brighter than — the sun.

When it comes to marking anniversaries of the atomic bomb, there are a few obvious choices. July 16, 1945, was the date of the Trinity test, the first nuclear explosion, and has been used by some as ...

Next week marks 80 years since the U.S. dropped atomic bombs on Japan. NPR's Scott Simon talks to Garrett Graff about his book "The Devil Reached Toward The Sky," which recounts the bomb's creation.