NATO's strategy is sound but its allies lack the arsenals and manufacturing needed to carry it out in a long war, a new report found.

Ukraine was granted permission to fire Western long-range missiles at Russian military targets a month ago, but it has since slowed their use due to a shortage of missiles. The missile strikes have had limited success,

Ukraine's membership of NATO is "achievable", but Kyiv will have to fight to persuade allies to make it happen, President Volodymyr Zelenskiy told Ukrainian diplomats in a speech on Sunday. Ukraine has repeatedly urged NATO to invite Kyiv to become a member.

Ukraine's Ministry of Defense has authorized new unmanned robotic vehicles to be used on the frontlines in the war with Russia.

Ukraine stepped up its efforts to join NATO after Russia invaded last year, arguing that the security assurances given by Moscow, Washington and London when it relinquished its nuclear arsenal to Russia in 1994 were clearly worthless.

Slovak President Peter Pellegrini discussed peace negotiations between Russia and Ukraine in an interview on Sunday.

NATO's maritime forces would bottle up the Russian Navy in the Barents and the Baltic, just as Ukraine pushed the Black Sea Fleet from Crimea. NATO has four times as many ships and three times as ...

Slovakian Prime Minister Robert Fico has for the second time in as many months made comments against Ukraine joining NATO. He did, however, acknowledge that Russia's invasion had violated international law.

The long-range missiles provided by the United States and Britain were used to strike inside Russian territory, despite concerns that their use would escalate the conflict. Kyiv’s stockpiles are running out.

Finland seized an oil tanker that authorities believe might have deliberately cut vital undersea cables. Finnish authorities believe the tanker may be linked to Russia.