There are several ways to build a nuclear weapon. This videographic shows the process used to make a bomb with enriched uranium, utilising nuclear fission. This method could be considered by Iran, ...

Nuclear bombs do not rely on size, they rely on physics. Here is how chain reactions and hydrogen bombs unleash power on a ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a ...