Tensions are running high between the US and its NATO allies. What the future of NATO looks like without the US.

Billionaire Elon Musk threw his weight behind a U.S. exit from NATO, saying on his social media platform that it “doesn’t ...

Hungarian Prime Minister Viktor Orban is often the odd man out in the European Union, especially since Russia’s invasion of ...

Higher European defence budgets and a ramp-up of production by military equipment industries are necessary to secure Europe, ...

European Union leaders on Friday downplayed skepticism from U.S. President Donald Trump about solidarity among NATO members.

European leaders backed plans to spend more on defence and continue to stand by Ukraine in a world upended by Donald Trump's ...

Our cooperation with likeminded @NATO partners is vital for international security. For Ukraine. For stepping up our joint ...

While NATO’s relevance is being questioned by some in Washington, officials in Brussels remain confident the alliance remains ...

President Trump expressed uncertainty that NATO would come to the United States’ defense if the country were attacked, though ...

European leaders are weary of Donald Trump’s push to secure a peace deal between Ukraine and Russia, with the EU’s top ...

Sunday’s summit in London, attended by world leaders including Prime Minister Trudeau, was aimed at demonstrating a united ...

Photo: Pool/Ukrainian Presidentia/Zuma Press/WPA Pool/Getty Images NATO isn’t America’s only alliance in jeopardy. In his first term, Mr. Trump’s assault on NATO arrived alongside his ...