NATO members Estonia and Latvia say stray drones hit their territory amid one of Moscow's biggest assaults on Ukraine.

NATO sources say reports of Hungary passing confidential information to Russia do not come as a surprise, though concerns over security persist.

Drones landing in NATO territory, spilling over from the war in Ukraine, have not so far been treated as attacks on the alliance.

Russia threatens to "sink" NATO warships after UK moves to seize shadow fleet vessels, as Ukraine strikes key Russian military and oil targets.

One of Vladimir Putin's top propagandists issued a horrifying warning that Russia could strike two NATO countries. During his radio show Full Contact, Vladimir Solovyov threatened

By Phil Stewart WASHINGTON, March 31 (Reuters) - Defense Secretary Pete Hegseth declined on Tuesday to reaffirm the U.S. commitment to NATO's collective defense, saying that would be up to President Donald Trump after key European allies refused to stand with the United States in the war against Iran.

NATO must unite despite Trump's threats NATO has a shared interest in Ukraine’s victory over Russia and remains the world’s most powerful defense alliance, stated German Foreign Minister Johann Wadephul,

The Kremlin may have attempted to lay the groundwork for a hybrid aggression with the Narva People’s Republic “hoax.”

NATO’s secretary general is heading to the White House next week as President Donald Trump lashes out over European allies’ refusal to join the U.S. and Israel’s war with Iran.