Experts say there are roughly 12,241 nuclear weapons across the world, with just over 9,600 thought to be operational.

ABOARD AIR FORCE ONE (AP) — President Donald Trump declined to say Friday whether he plans to resume underground nuclear ...

Touting new weapons tests, Moscow signals to Washington that it must contend with the Kremlin’s power and negotiate.

All of the nine nuclear-armed nations are investing huge sums in new weapons. And the numbers of nuclear weapons “available ...

President Donald Trump appears to have ordered a return to nuclear testing after decades of uneasy but effective treaties ...

Trump's announcement breaks with more than three decades of policy. The last time the United States tested a nuclear weapon ...

President Trump's Truth Social announcement that the US will pursue new nuclear weapons testing raises more questions than it ...

The president cited Russia's recent missile tests and China's growing nuclear capabilities as the reasons behind his latest ...

The last time the US tested a nuclear weapon was in 1992, when Congress pushed to halt such trials in the wake of the Cold ...

North Korea is one potential villain in a fictional movie about nuclear war on Netflix, Kathryn Bigelow’s “A House of Dynamite.” It is a “Rashomon”-style thriller about the concept of mutually assured ...

President Donald Trumpon Thursday ordered the U.S. military to immediately restart the process for testing nuclear weapons after a halt of 33 years, a move that appeared to be a message to rival ...

President Donald Trump on Thursday vowed to begin testing US nuclear weapons “on an equal basis” with Russia and China, heralding a potentially major shift in decades of US policy at a time of growing ...