Xi Jinping is almost surely comfortable with Vladimir Putin’s threats to use his most destructive weapons against Ukraine.

Three experts spoke to Newsweek about the possibility of Moscow firing nuclear weapons into Ukraine as tensions escalate.

The U.S. decision to allow Ukraine to fire American weapons deeper into Russia has not increased the risk of a nuclear attack ...

Russia's Dmitry Medvedev warned of nuclear war if the U.S transfers nuclear weapons to Ukraine: "The consequences are obvious ...

Putin's goals in Ukraine remain the same: weakening Ukraine's ties to NATO, hindering Ukrainian nationalism and territorial ...

Russian President Vladimir Putin on Thursday praised US President-elect Donald Trump as an “intelligent and experienced” ...

Moscow has increasingly hit critical substations linked to nuclear power plants in an effort to disconnect them. The assaults ...

Putin lowered the bar for a nuclear attack after the US lifted a ban on Ukraine using long-range missiles. Ukraine carried ...

Russian President Vladimir Putin on Tuesday lowered the threshold for nuclear weapons use, just two days after the U.S.

President Vladimir Putin on Tuesday signed a revised nuclear doctrine declaring that a conventional attack on Russia by any ...

Russian President Vladimir Putin has approved changes formally lowering the threshold at which his country can consider a ...