Business Insider got access to a NATO AWACS flight for an eight-hour surveillance mission over Eastern Europe.

NATO's enhanced ground capabilities in the Baltic region spark Russian warnings as military focus intensifies on Kaliningrad ...

You might want to call Vladimir and say, ‘Hey, friend, we are still buying stuff from you, but you have got to get serious ...

Russian soldiers call the practice a sacrifice to Baba Yaga, a fearsome witch from Slavic folklore who feasts on her victims.

President Trump said he had decided to shorten a 50-day deadline he had given Russia to end the conflict or face punishing ...

At the end of the day, the EU needs U.S. weapons to keep Ukraine afloat into its struggle for survival against Russia.” ...

A massive Russian drone and missile attack on Ukraine over the weekend prompted a direct military response from NATO. Polish ...

Another attempt at peace talks between Ukraine and Russia is on the horizon amid Russia's continuous assault on Ukraine.

NATO aircraft were scrambled Sunday night to respond to a Russian attack on Ukraine, the Polish military said Monday.

An unidentified drone suspected to have come from Belarus entered into Lithuanian airspace on Monday, according a local ...

Russian President Vladimir Putin's war in Ukraine and President Trump's tough stance on NATO have 'energized' the alliance ...

NATO's commitment to spend 5% of GDP on defense by 2035 was meant to unify the alliance, but it's revealing dangerous fault ...