Editor in chief Nancy Shute traces the history of nuclear weapons, from the first sustained nuclear reaction in 1942 to the renewed interest in explosive tests today.

As of the beginning of 2025, nine countries possess an estimated 12,331 nuclear warheads and some are still increasing their ...

U.S. states are positioning themselves to compete for newer, cheaper nuclear reactors being developed as communities and tech giants compete in a race for electricity ...

"Bad things" will happen to Iran unless it reaches a deal with the U.S. on its nuclear program, President Trump said Friday.