Scientists describe setting off the world’s first nuclear bomb 75 years ago
No one "even raised the possibility that what we were doing might be morally wrong"
How powerful were the 1945 atomic bombs compared to today’s nuclear weapons? (infographic)
Nagasaki and Hiroshima are the only instances nuclear weapons were used in human history against cities
Lesvos: The mild aftershock sequence troubles scientists (PHOTOS)
The energy released was equal to two atomic bombs