NATO Secretary General Mark Rutte on Thursday urged the United States to keep supplying Ukraine with weapons to fight Russia's invasion and said he was sure Europe was ready to pay the bill. Speaking at the World Economic Forum in Davos,

Russia on Thursday rejected the idea of NATO countries sending peacekeeping troops to Ukraine in the event of a ceasefire in the war with Russia, saying such a move would threaten to cause an "uncontrollable escalation".

Any attempt to get Ukraine into Nato will run into a “buzz saw” in Washington unless Europe pays for it, a top diplomat for Donald Trump has said.

NATO Secretary-General Mark Rutte has warned that a Russian victory over Ukraine would undermine the dissuasive force of the world’s biggest military alliance and could cost trillions of dollars to re

NATO Secretary-General Mark Rutte warned that restoring the alliance's credibility after a Russian victory in Ukraine could require trillions of dollars.

Ukrainian pilots are using skills that the West has let atrophy, an ex-US F16 pilot said.

The U.K., France and other allies have discussed the possibility of deploying peacekeeping troops to Ukraine as the war escalates.

Donald Trump pledged to end the conflict in Ukraine, but the war has proved harder to solve than he once thought. Now, he says he'll sanction Russia.

To bring Russia to the negotiating table and end the war in Ukraine, Vladimir Putin needs to believe time is no longer on his side. Here's what the Trump administration needs to do to make that

The 155th Mechanized Brigade was given French training and weaponry, but has been beset by scandal even before it deployed to the front lines.

At a meeting in Davos, NATO allies faced pushback on the idea of extending membership of the alliance to embattled Ukraine.