The United States openly tracks thousands of nuclear warheads, yet a small number have slipped permanently out of reach. Yes, ...

The U.S. military has suffered dozens of “Broken Arrow” nuclear weapons accidents—events involving lost weapons, accidental ...

Ending the Ukraine War will ultimately require some US-Russia nuclear arms agreement. As the United States, Russia, Ukraine, and most of Europe discuss a peace agreement for the war in Ukraine, an ...

VIENNA -- In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear ...

Pakistan developed its nuclear arsenal outside the Nuclear Non-Proliferation Treaty and has long been under international ...

As tensions between Tehran and Washington have increased, Iran has accelerated its production of uranium to near ...

In November, the General Assembly’s First Committee, adopted a resolution that looks at the risks of integrating AI into nuclear weapons.

China is estimated to have more than 600 nuclear warheads, a figure the U.S. predicts will exceed 1,000 by the end of the decade.

North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced ...

Not only are major nuclear-weapon states failing to pursue arms control and disarmament; they are openly doubling down on ...

Governments throughout East Asia and the rest of the international system are increasingly agitated about media reports alleging that an anonymous source in the ...