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

After the New START treaty expires in February, there will be no cap on the number of US and Russian nuclear weapons - but ...

Russia’s reaction to the U.S. strike on Venezuela has taken a dramatic turn. Dmitry Medvedev, a senior Russian security ...

A "Broken Arrow" is the term that the military uses for when it loses a nuclear weapon, and yes it has happened often enough that they have a term for it.

The US began removing its nuclear weapons from Britain around 2007, ending a “contentious presence spanning more than half a ...

President Donald Trump announced on Oct. 29 that the United States will "immediately" resume nuclear weapons tests, a move he said is needed to ensure the country keeps up with its rival nuclear ...

VIENNA -- In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global nuclear ...

Tehran also increasingly cut back its cooperation with the International Atomic Energy Agency, the U.N.'s nuclear watchdog, ...

Rising threats are prompting some politicians in Japan, the only nation attacked with nuclear weapons, to reconsider its ...

Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump meant he when said he had instructed the Pentagon to resume nuclear ...

After meeting with Israel's Netanyahu, Trump said he'd heard Iran is trying to rebuild its nuclear program, "and if they are, ...

The Museum of Strategic Missile Forces tells the story of how Ukraine dismantled its nuclear weapons arsenal after ...