A grapefruit-sized sphere of plutonium holds enough energy to wipe a city off the map. But how does that actually work? From chain reactions to hydrogen bombs, we’re breaking down the terrifying ...

China's state TV broadcaster has revealed details of a new "graphite bomb" that can cause a "complete loss of electricity" across an area of 10,000 square meters, or knock out entire power stations, ...

The U.S. altered the course of history 80 years ago when it dropped the atomic bomb on Japan. It was an audacious move that ultimately led to the end of World War II. The motivation and secrecy ...

Bug bombs first protected U.S. soldiers from insect-borne diseases in the Pacific during World War II. By the end of the war, more than 40 million had been deployed, fumigating everything from ...