The U.S. president-elect has not ruled out trying to acquire the autonomous territory belonging to alliance member Denmark.

Japan on Thursday formally inaugurated an independent mission to the NATO military alliance as Tokyo and NATO seek to bolster cooperation amid escalating tension from Russia, China and North Korea.

Polish President Andrzej Duda advocates for extending an invitation to Ukraine to join NATO immediately, emphasizing that ...

Membership in NATO is the only credible long-term security guarantee Ukraine can receive against future Russian aggression, ...

"We are supporting Ukraine's NATO membership further down the line and hopefully not in (the) too-distant future," Finland's ...

While Ukraine’s acceptance into the North Atlantic Treaty Organization (NATO) appears unattainable, armed neutrality may be ...