NATO Secretary-General Mark Rutte warned the United States and Europe on Wednesday against any temptation to "go it alone" on ...

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

Trump officials have demanded more European military spending and questioned the continent’s values. Leaked messages show the ...

The blow-by-blow of an American military strike on Yemeni Houthis, inadvertently shared with a journalist from The Atlantic ...

This is the gravest crisis for Western security since the end of World War Two. So which nations will step forward as the new ...

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

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 ...

Europe's biggest military powers are drawing up plans to take on greater responsibilities for the continent's defence from ...

In an administration already known for its cavalier approach to classified information, the recent revelation that senior U.S ...

It’s a new day in Europe. Gone are the halcyon years of unshakeable American commitment to Europe’s defense against Russia.

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 ...