President Donald Trump has repeatedly threatened to leave the NATO alliance should member states fail to increase defensive ...

Russia’s war against Ukraine is not only about Ukraine’s freedom and survival, but also about the future of Europe’s hard security. Russia wants to replace the cooperative, democratic security order ...

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.

Europe is staring down the barrel of a stark new reality where the United States being the backbone of NATO – the alliance that has guaranteed the continent’s security for almost 80 years ...

We’ve been here before -- declaring NATO dead or dying. Recently, US Republican Senator Mike Lee posted on X, saying: “It’s time to leave NATO and the UN.” Elon Musk, the world’s richest ...

Such a policy by Ukraine's main backer has raised eyebrows in the past. It doesn't anymore. For decades, Russian officials and propaganda have been using NATO enlargement as a justification for ...

President Trump is on a collision course with Republican defense hawks over the question of whether the United States should continue its 75-year military leadership of NATO and at what level of ...

President Donald Trump told reporters Thursday the U.S. would not defend North Atlantic Treaty Organization allies from a military attack if they are behind on defense spending encouraged by the ...

WASHINGTON — President Donald Trump is considering a major change to the U.S.’ participation in the North Atlantic Treaty Organization, according to three current and former senior U.S ...

FOX News host Will Cain talked to UkraineAlert's Peter Dickinson and The Federalist co-founder Sean Davis and discussed the Russia-Ukraine conflict, NATO expansion and what led to this moment in ...