By holding nuclear drills and boasting about the successful test of a pioneering nuclear-powered cruise missile, Russian President Vladimir Putin is sending a message to President Donald Trump: Moscow wouldn’t be cowed into concessions on Ukraine.

The U.S. sanctioned Russia’s two largest oil companies Wednesday amid Moscow’s refusal to work toward an end to the Russia-Ukraine war.

Russian President Vladimir Putin is now believed to be more dug in than ever, according to a recent intelligence assessment.

Ukraine’s president and European leaders are accusing Russian President Vladimir Putin of stalling on peace efforts in Ukraine

Donald Trump demanded that Ukraine submit to Vladimir Putin’s peace terms or face destruction in an angry meeting at the White House last week, it has emerged.

President Donald Trump schedules call with Russian President Vladimir Putin as Ukraine seeks long-range Tomahawk missiles following recent Russian strikes on energy sites.

Moscow rules out a Budapest summit between President Trump and Vladimir Putin after POTUS calls for a ceasefire in place.

Russian Telegram channels reported fires at the NS-Oil refinery in Novospasskoye, Ulyanovsk Oblast - some 700 miles from Ukraine's border.