Nuclear weapons can produce some of the most devastating destruction of any device ever created by humankind -- so what ...

The supreme leader, Ayatollah Ali Khamenei, said that Iran will “move toward” a nuclear weapon if attacked by the U.S. or ...

America’s new B61-12 nuclear warhead highlights how dangerous of a moment the world finds itself in—and real the potential is ...

The campaign appears to show no signs of stopping as the Trump administration again linked its airstrikes on the ...

To be honest, I have no clue what I’m looking at beyond the fact that it’s a key object in the World War II-era race to ...

The head of the Rassemblement National party declined to make preparations for a potential conviction. In her initial public ...

Sandia National Laboratories (SNL) has shown off the United States' latest nuclear weapon as full production begins seven months ahead of schedule. The B61-13 variable-yield gravity bomb is part of a ...

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.

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

What makes the B61-12 particularly impressive is the bomb’s ability to adjust its destructive yield depending on the ...

To date, only the US has ever dropped nuclear bombs on a population — in Hiroshima and Nagasaki in 1945. Still, the number of ...

Representatives of Iran, Russia and China have urged United States President Donald Trump’s administration to end sanctions imposed against Tehran over its rapidly advancing nuclear programme ...