Ukraine claims that a Russian missile violated Romanian airspace. Meanwhile, Bucharest denied these reports, asserting that ...

Russia has accused Moldova of plotting a military operation in Transnistria, a Russian-backed secessionist region, setting ...

Pope Francis in his Christmas message has called for talks between Ukraine and Russia to end the war that followed Moscow's ...

Ukraine's air force says it detected 184 missiles and drones, causing damage to energy infrastructure across the country.

NATO has been pushed to launch fighter jets on Christmas Day as Russia unleashed a missile attack and kamikaze drone strike ...

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

Ukrainian officials say Russia has launched a massive missile barrage targeting Ukraine’s energy infrastructure.

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

Russian troops are likely seeking to seize a bridgehead on the western bank of the Dnipro River or one of its islands in ...

To understand recent fears about the possible escalation of Russia’s war on Ukraine into a nuclear conflict, we must revisit ...

President-elect Trump's return to the White House is expected to bring a return to border policies that emphasize security ...

The transfer marks the end of an era when Russia played an arguably oversized role in determining which countries could ...