President Trump’s disdain for protecting European allies gives Vladimir Putin a fresh opportunity to extend his influence.

NBC News joined a NATO flotilla as it sailed the icy sea hunting Russian saboteurs accused of targeting undersea cables.

After three days of separate talks with the U.S., Ukraine and Russia say they have reached a deal to ensure safe navigation ...

Norway doubled its humanitarian and military for Ukraine to nearly €7.5 billion, thereby almost doubling it. In a rare ...

Maj. Gen. Lars S. Lervik says he doesn't care where military equipment comes from – Europe or the United States – as long as ...

With sabotage risks on NATO’s mind, formations like this are rising to new prominence in national force structures.

The allied militaries did not specify where within the Arctic Circle the exercise took place, but the area is home to Russian ...

The country supports some of the world’s most important satellites. But experts worry about its proximity to Russia.

Instead of approaching the war in Ukraine from a geopolitical or moral perspective, U.S. President Donald Trump is framing his policy on Russia through the lens of his personal relationship with ...

China’s top envoy to Moscow shot down talk of a potential US-Russia alliance against Beijing under the Trump administration as reflecting a “cold war mindset” while painting a rosy picture ...

Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

Russian missiles killed at least 23 people in a second night of heavy strikes on Ukraine, a stark toll the Polish Prime Minister described as the result of appeasing “barbarians.” The attacks ...