An agreement to suspend attacks against energy infrastructure would halt a strategy employed by Ukraine and Russia. Kyiv has ...

Several U.S. national security agencies have halted work on a coordinated effort to counter Russian sabotage, disinformation ...

Anger at Russia’s covert efforts, which included targeting undersea cables, warehouses and railways, has the potential to ...

Former U.S. Ambassador to Russia Michael McFaul worried that President Trump and his supporters will be making any potential ...

Vladimir Putin’s forces launched a major air raid on energy infrastructure in Ukraine’s Slovyansk city late last night, just ...

The NATO allies pulling out of a treaty banning the use of landmines said it sends the message they'll use whatever they need ...

NATO members Poland, Lithuania, Latvia and Estonia said Tuesday they are abandoning the 1997 Ottawa convention treaty ...

By Ben Aris in Berlin Russian President Vladimir Putin told the country’s leading oligarchs that Western companies that ...

Moscow said in its recap of the call that President Trump supported his Russian counterpart's idea to organize games in the ...

Ukraine talks are the first major test case of whether Trump will formally ally with Putin against our European and Asian ...

Russia's seizure of the Crimean Peninsula from Ukraine exactly 11 years ago on March 18, 2014, was quick and bloodless, but ...

Russia and Ukraine accused each other on Wednesday of launching air attacks that sparked fires and damaged infrastructure ...