Poland scrambled fighter jets and put air defense and radar reconnaissance systems on "the highest state of readiness" ...

Kyiv is working with allies on security guarantees akin to NATO's mutual protection pledge, Ukraine's president Volodymr ...

NATO Secretary-General Mark Rutte refused after speaking with President Donald Trump to weigh in on a U.S. plan to end Russia ...

NATO Secretary-General Mark Rutte said after talks with U.S. President Donald Trump on Thursday that the United States and ...

U.S. President Donald Trump reiterated on April 25 that he believes Ukraine's desire to join NATO triggered Russia's ...

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"The UK is unshakeable in its commitment to NATO," British armed forces minister, Luke Pollard, said in a statement.

Greece’s evolving relationship with NATO spans Cold War alliances, regional tensions with Turkey, and its modern role as a ...

The Kremlin said it reserves the right to use nuclear weapons if it faces aggression by Western countries. Overnight, Moscow ...

The incident marked at least the third time in a week that Russian aircraft had been intercepted in the region.

NATO Secretary-General Mark Rutte is urging the 32 member nations to devote more funds, equipment and political energy to the ...