The meeting between President Trump and Kremlin leader Vladimir Putin is taking place in a region rich with significance for ...

How Russia's gradual gains in the face of fierce Ukrainian opposition have affected the front line in recent months.

The online DeepState map, based on geolocated combat footage and tips from Ukrainian Army sources, draws 900,000 views each ...

Ukraine faces a difficult choice: end the war and risk conceding territory or fight on and absorb more losses.

As negotiators try to hammer out a partial ceasefire, NPR's Juana Summers talks to Harvard historian Serhii Plokhy about Russia's history of broken promises to Ukraine.

Russia is the world's largest country, encompassing about one-tenth of the total land on Earth. This map shows the 14 countries that border it.