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

Our nation’s major metropolitan areas have detailed community response plans for hurricanes, forest fires, and other natural ...

On August 6, 1945 — 81 years ago — the US bomber Enola Gay dropped the first atomic bomb ever used in military combat on the ...

The atomic bomb would eventually become one of the greatest sources of fear in American life, but the country's first ...

HIROSHIMA, Japan — More than 50,000 people gathered at this city’s Peace Memorial Park on Thursday to remember the victims of the world’s first atomic bombing and hear a renewed appeal for world ...

The general public has long had a degree of wariness and uncertainty surrounding nuclear reactors, thanks largely to the fact that many associate nuclear energy with nuclear bombs. That's fair, thanks ...

In 1942, scientists working on what became the Manhattan Project confronted a disturbing possibility: could an atomic explosion become hot enough to ignite a self-sustaining nuclear reaction in the a ...

Add Yahoo as a preferred source to see more of our stories on Google. The only well-exposed color image of the Trinity test. (Jack W. Aeby/Manhattan Project/Public Domain) We don't always get to ...

Op-ed views and opinions expressed are solely those of the author. President Donald Trump recently dismissed a reporter’s question on the use of nuclear weapons against Iran. […] ...

Add Yahoo as a preferred source to see more of our stories on Google. The scene of destruction after the atomic bomb was dropped on Hiroshima, Japan, in 1945.Universal History Archive/Universal Images ...