The unseen photos of the atomic bomb have been revealed for the first time in history, when an attack was planned for Nagasaki and Hiroshima during an end of the Second World War II. This was a uranium gun type Atomic bomb, code named little boy, was dropped on Hiroshima on August 6, 1945.This was followed by the plutonium implosion type bomb, called Fat Man on the city of Nagasaki on August 9. This was the worst day in the history of the world. The bombing is still memorized in the worst words and it has made the entire world frightened for its mass destruction. Fat man bomb was dropped on Nagasaki, which killed around 60000-80000 people, the heat, which was released by the bomb, was so much that it at once melt the human beings, animals, birds in few seconds. The large numbers of deaths were due to radiation, burns, sicknesses from the side effects of the bomb, and other injuries. In this attack, the major proportion of the killed individuals were the civilian population and these rare pictures were revealed in the same week that the US department of Energy released transcripts of the 1950s hearing on the security clearance of J.Robert Oppenheimer.