The alliance mounted its first coordinated response to the suspected sabotage campaign against critical infrastructure, after ...

Congress passed legislation that a president cannot unilaterally withdraw from NATO, setting up a major legal fight if Trump ...

Dmitry Medvedev took aim at President Joe Biden on Sunday as he criticized the president's approach to the Russia-Ukraine war ...

It may be too extreme for Canada or Denmark to view the U.S. as an enemy in the wake of Trump annexation threats, but the ...

Russia will demand Ukraine drastically cut back military ties with the NATO alliance and become a neutral state with a ...

NATO has started a process to share some of its highly classified capability targets — which determine what kind of weapons ...

President Trump has an opportunity to address tensions with NATO at the Munich Security Conference. While he should ...

In December, the United Kingdom joined the Comprehensive Security Integration and Prosperity Agreement. More countries will follow. C-SIPA, as the still-small grouping is known, could soon become the ...

President-elect Donald Trump said on Tuesday he sympathized with the Russian position that Ukraine should not be part of NATO ...

The agreement is focused more on trade than military issues, but it will bring two countries with a shared desire to ...

Article 5 of the NATO treaty requires that member states consider an armed attack on one of its members as an attack on all its members. Is Donald J. Trump attempting to foment an armed conflict ...

NATO officials are investigating damage discovered on Sunday to another undersea cable running across the Baltic Sea, this ...