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

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

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

The security manager had spent the day monitoring reporters near the Ukrainian front lines, or others in Kyiv who’d taken ...

Russian dictator Vladimir Putin claimed Monday that he is amenable to a one-year extension of the arms control treaty with ...

Russian president is believed to have five children with three different women, but has never been seen in public with his ...

Vladimir Putin was seen with strange bulging creases on his jacket as he delivered an angry lecture to the West, sparking ...

Who is Agent Cornetto, Vladimir Putin's mysterious bodyguard? The female guard has appeared in multiple disguises over the ...

Russian fighter jets entered Estonian airspace on Friday in a significant escalation that threatens war with Europe—and the ...

During a Sept. 11 appearance on 'Jimmy Kimmel Live,' Sean Penn recalled eating dinner with Russian leader Vladimir Putin and ...