The war between Israel and Iran and President Donald Trump’s strikes on Iranian nuclear sites have brought renewed attention ...

Nine countries currently either say they have nuclear weapons or are believed to possess them. The five original nuclear weapons states are the United States, Russia, China, France and the United ...

Israel is attacking Iran’s nuclear sites, but Tehran’s secret path was blazed by the Israelis. “Remember, Iran cannot have ...

The decision means that Britain’s air force will have a nuclear role for the first time since the end of the Cold War.

Following the announcement that the Royal Air Force is regaining nuclear weapons, we explore the service’s history using ...

Japan is the one place in the world that has felt, and personally mourned, the staggering damage of nuclear warfare. The ...

On the heels of US attacks on three nuclear sites in Iran Saturday, here's a look at which nations currently possess nuclear weapons.

A secret detachment of military photographers documented America’s bomb tests.

Ahead of U.S. strikes on Iran, one U.S. intel assessment concluded Iran could build a nuclear weapon in months but didn't assess it decided to do so, intel sources said.

News Analysis The Bombing of Iran May Teach an Unwelcome Lesson on Nuclear Weapons Will America’s pre-emptive strike discourage other countries from pursuing a weapon — or just the opposite?

On the heels of US attacks on three nuclear sites in Iran Saturday, here's a look at which nations currently possess nuclear weapons.

In an address, the Israeli prime minister said Iran had taken steps to weaponize enriched uranium and was on the cusp of developing a nuclear weapon.