The Russian cargo ship was thought to be heading to Syria to transport military equipment out of the Tartus naval base.

Tensions along NATO's eastern flank are high because of the risks posed by Russian military actions near the borders of alliance member states.

After years of fighting in Ukraine, the Russian military’s ability to fight modern, maneuver-type warfare has largely diminished.

Russia is keen to disrupt, weaken or even divide NATO and one way of encouraging that might be to convince the U.S. that war is coming with the alliance in Europe and to ask America if it wants to be dragged into it. This especially matters as Trump's incoming administration forms its policies toward NATO and Russia.

Ukrainian President Volodymyr Zelenskiy said on Monday that more than 3,000 North Korean soldiers have been killed and wounded in Russia's Kursk region and warned that Pyongyang could send more personnel and equipment for Moscow's army.

The popularity of weapons training in Finland has soared in recent months, driven by concerns over expansionist neighbor Russia.

European leaders are making clear ahead of the Trump presidency that they plan to spend more on defense as Russia remains a top threat and as security concerns in the Middle East and North Africa escalate.

President-elect Trump’s choice for special envoy to Ukraine and Russia, retired Lt. Gen. Keith Kellogg, slammed the Russian military missile and drone attack on Christmas Day and said the U.S. is

NATO’s secretary-general says he wants to discuss ways to put Ukraine in a position of strength for any future peace talks with Russia during a meeting Wednesday with Ukraine’s president and a small number of European leaders.

To understand recent fears about the possible escalation of Russia’s war on Ukraine into a nuclear conflict, we must revisit its beginnings, where the groundwork for this crisis was laid. “I believe that NATO would not directly interference in the conflict even in this scenario,

Gideon Rachman talks to Alexander Gabuev of the Carnegie Russia Eurasia Center, Jeremy Shapiro of the European Council on Foreign Relations and Karin von Hippel of the Royal United Services Institute