Here’s how a nuclear bomb actually works. The B61 and the B83 nuclear bombs currently in the United States’ arsenal are thermonuclear, or hydrogen bombs, and quite different than the fission weapons ...

Eighty years ago, a weapon was used which would transform modern warfare and the entire world forever. Hiroshima, in Japan, was the target of the first ever nuclear weapon, dropped by the US Air Force ...

Most, if not all, of the crew members of a Japanese fishing boat inundated by radioactive fallout from a U.S. hydrogen bomb ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.