Vast networks of undersea cables critical to daily life in NATO countries are very vulnerable to attacks, including sabotage.

Fighter jets were scrambled from from the Volkel Air Base in the Netherlands after an unidentified aircraft entered NATO airspace today

NATO considers "more aggressive" stance against Russia's hybrid warfare, including pre-emptive cyber operations, as tensions escalate over sabotage.

Russia has unleashed a fresh barrage of overnight missile and drone attacks on Ukraine's energy infrastructure.

The Trump administration says Europe is facing "civilizational erasure" and calls for a halt to NATO expansion.

U.S. Secretary of State Marco Rubio was expected to miss Wednesday's meeting, which will unfold during high-stakes negotiations in Moscow and in Europe about Ukraine’s future.

The United States wants Europe to take over the majority of NATO's conventional defense capabilities, from intelligence to missiles, by 2027, Pentagon officials told diplomats in Washington this week,

German Foreign Minister Johann Wadephul warns that intelligence shows Russia may attack NATO by 2029, citing Moscow's military buildup and economic shift toward war.

President Donald Trump joked that NATO calls him “daddy” as he reflected on having forced allies to ramp up their defense spending – repeating a remark made by the alliance’s Secretary General Mark Rutte in July. The quip came during a wide-ranging ...

Some NATO members could soon become “majority non-European” which could raise questions about their future loyalty to Washington, according to the U.S. National Security Strategy which outlines President Donald Trump’s foreign policy priorities.