As the Iran war escalates, disputes are revealing fresh fault lines across the military alliance.

“The Iran war turned what was already the most turbulent period in transatlantic relations into a full-blown crisis,” writes ...

Add Yahoo as a preferred source to see more of our stories on Google. Imagine Ukraine is forced into a peace deal later this year. In the aftermath, Russian troops conduct military exercises in ...

In an exclusive interview with Fox News Digital, U.S. ambassador to NATO Matthew Whitaker pushed back against growing European backlash over Washington’s focus on Greenland after France announced ...

NATO Secretary Gen. Mark Rutte warned Russian President Vladimir Putin on Wednesday that the alliance was “ready and willing” to take on Moscow if it attacks — with the European Union moving forward ...

BRUSSELS (AP) — President Donald Trump’s repeated threats to seize control of Greenland are straining relations with U.S. allies in NATO and have sparked a warning that doing so by force could spell ...

German Foreign Minister Johann Wadephul warned Tuesday that new intelligence assessments show Moscow is preparing for the option of a future attack against a NATO member, marking it the third time ...

NATO countries continue to invest heavily in modern main battle tanks capable of surviving some of the most dangerous battlefields on earth If a large-scale conflict erupts in Europe, tanks will ...