Ukraine’s eastern Donbas region is central to the Kremlin’s political and military priorities; its importance -- economic, cultural, historic -- stretches back decades, if not centuries. Why the fixation?

Direct conflict between Russia and NATO was once unthinkable, but preparations and defense spending have been stepped up in nervous Baltic states.

President Vladimir Putin's investment envoy outlined a plan for U.S.-Russia tunnel connecting Alaska and Siberia through Bering Strait within eight years at $8 billion cost.

Russia said its foreign minister, Sergei Lavrov, and U.S. Secretary of State Marco Rubio, tasked with preparing a summit between presidents Vladimir Putin and Donald Trump, held a "constructive" conversation on Monday.

Russia and Iran are deepening their political, military, and energy ties, strengthening their partnership amid rising tensions.

The EU is preparing to strengthen its authority to board and inspect tankers linked to Russia's so-called shadow fleet and is negotiating with some of the flag and coastal states to take measures, according to a draft proposal by the EU's diplomatic service (EEAS),

The road known as Via Baltica will pass through a narrow strip of land between Belarus and Russia ’s Kaliningrad exclave, called the Suwalki Gap.