North Atlantic Treaty Organization Secretary General Mark Rutte said Monday he shared concerns with South Korean President ...

North Korean troops joining Russia in Ukraine “would mark a significant escalation,” the NATO secretary-general said Monday.

KYIV, Ukraine — U.S. Defense Secretary Lloyd Austin arrived in Kyiv on an unannounced visit Monday, hours after a Russian ...

Russia’s aims, officials and analysts say, likely include undermining European trust in governments, deterring further ...

The military alliance started its annual nuclear exercise "Steadfast Noon" with up to 60 aircraft taking part on Monday.

Discussion of peace talks between Ukraine and Russia has become popular as Kyiv's battle to drive out Russian troops appears stuck in a stalemate — or worse. Many security analysts, including some ...

In the coming days, Russian President Vladimir Putin will be shaking hands with multiple world leaders, including China's Xi Jinping, India's Narendra Modi, Turkey's Recep Tayyip Erdogan and Iran's ...

Russia has issued a stark warning to NATO, threatening "catastrophic consequences" if the military alliance continues its ...

Russia on Wednesday denounced a "victory plan" presented by Ukrainian President Volodymyr Zelenskiy, saying he was trying to ...

President Volodymyr Zelenskyy believes that Ukraine should negotiate peace with Russia from a stronger position, preferably ...

BRUSSELS — On his final day as NATO’s secretary general, after 10 years in the job, Jens Stoltenberg didn’t want to look back ...

BRUSSELS (AP) — NATO will hold a long-planned major nuclear exercise next week, the alliance’s chief said Thursday, a few ...