Sullivan made his remarks when questioned about a New York Times article last month that said some unidentified Western ...
National security adviser Jake Sullivan said Sunday that the White House is not considering returning nuclear weapons to ...
The UN's nuclear watchdog believes Iran is ramping up it's nuclear program with advanced technology, pushing its program ...
President Vladimir Putin said on Thursday that Russia would use all weapons at its disposal against Ukraine if Kyiv were to ...
Senior Russian security official Dmitry Medvedev said on Tuesday that if the West supplied nuclear weapons to Ukraine then ...
Russia is closing in on a key town in Ukraine's defensive line made vulnerable by the loss of Vuhledar, the British defence ...
The Ukraine war has not only shattered millions of lives and shaken Europe. It also has inured Washington to the use of ...
The United States is not considering returning to Ukraine the nuclear weapons the country previously agreed to give up under ...
Russian President Vladimir Putin has signed a revamped version of his country's nuclear doctrine that lowers the bar on when ...
A Russian deserter who guarded nuclear weapons gave the BBC a rare glimpse into the paranoia and surveillance at a top-secret ...
Claims of UFOs at nuclear sites spark debate as ex US military official suggests aliens send a message about nuclear weapons.
Putin lowered the bar for a nuclear attack after the US lifted a ban on Ukraine using long-range missiles. Ukraine carried ...