President Donald Trump has repeatedly threatened to leave the NATO alliance should member states fail to increase defensive ...

NBC News joined a NATO flotilla as it sailed the icy sea hunting Russian saboteurs accused of targeting undersea cables.

Trump, famously critical of the alliance the U.S. had led for decades, has already cast doubt across Europe on how reliable ...

VLADIMIR Putin has given Donald Trump his blessing to make a land grab for Greenland and said the US president’s ambitions ...

Russian President Vladimir Putin said Thursday the Trump administration will likely move to acquire Greenland “systemically” ...

Under Trump, 80 years of collective security have been dismantled in as many days - THE INDEPENDENT VIEW: Editorial: The ...

Trump told reporters in the Oval Office that the US will "go as far as we have to go" to gain control of Greenland.

What looked like a Trump administration charm offensive in its gambit to take over Greenland, billed as a cultural heritage ...

President Trump is on a collision course with Republican defense hawks over the question of whether the United States should ...

Former NATO Supreme Allied Cmdr. Wesley Clark weighed in on a report that President Trump’s administration is considering ...

Guy Taylor and Ben Wolfgang sit down with retired CIA officer Daniel N. Hoffman for an in-depth conversation on Mr. Putin’s ...

Fears have rippled through Europe about whether the U.S. under its new steward, President Donald Trump, could abandon NATO. But Trump, a notorious skeptic of the U.S.-led transatlantic alliance ...