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

The North Atlantic Treaty Organization has been rightly called the most successful military alliance in history. But its ...

The close adviser to President Donald Trump has publicly supported the United States withdrawing from the military alliance.

The president has discussed possibly favoring members of the alliance that spend a set percentage of their GDP on defense, ...

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

As some Republican lawmakers push for the US to leave NATO, questions arise about the alliance's role, history, and impact on ...

Scholars have identified interesting parallels between the military alliances of NATO and the ancient Athenian-led Delian ...

Republicans in Congress are becoming increasingly hostile to NATO amid disagreements between the White House and European ...

If Trump pulled the US out of the alliance, the European allies would no longer follow Washington’s lead on foreign policy.

The formal entry of Finland and Sweden into the North Atlantic Treaty Organization (NATO) over the past two years enhanced alliance security, but it also revealed a strategic myopia: demands that each ...

President Donald Trump's pick for NATO ambassador promised senators the United States’ commitment to NATO will be “ironclad,” ...

Italian Prime Minister Giorgia Meloni has suggested NATO's Article 5 protection could be extended to cover Ukraine even if it ...