Top Kremlin official Dmitry Medvedev issued a fiery nuclear warning to the U.S. after Ukrainian President Volodymyr Zelensky ...

Vladimir Putin ally Dmitry Medvedev issued a harsh rebuke of President Donald Trump on Wednesday, saying on Telegram that ...

The Ukrainian president addresses the UN General Assembly after Donald Trump says for the first time that Kyiv could retake ...

Mr. Putin said Russia didn’t want to provoke a strategic arms race with the United States, but his offer is limited in scope.

Russian President Putin on Monday offered to voluntarily maintain the limits on deployed strategic nuclear weapons set out in ...

Russian President Vladimir Putin has announced that Moscow will adhere to nuclear arms limits for one more year after the ...

The Russian president said terminating the 2010 New START would have negative consequences for global stability.

President Donald Trump’s abrupt shift on the war in Ukraine this week came amid fresh frustration at Russian President ...

U.S. allies called an emergency meeting of the U.N. Security Council after a series of incidents raised alarm about growing ...

Russia is offering the United States a deal that would extend by one year the last remaining nuclear arms treaty between the ...

The head of Britain's foreign intelligence agency says there is "absolutely no evidence" that Russia's Vladimir Putin wants ...

The outgoing head of Britain's MI6 spy agency says Russia's Vladimir Putin is "stringing us along," with no interest in a ...