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

The North Atlantic Treaty Organization is widely considered the largest peace-time military alliance in the world. The 32 ...

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

President Trump has left NATO members questioning whether Washington will honor the trans-Atlantic alliance's commitment to ...

The NATO allies pulling out of a treaty banning the use of landmines said it sends the message they'll use whatever they need ...

The countries on NATO’s Eastern flank ... itself in a nuclear war to defend them is a difficult case to make under the best of circumstances,” Daalder said. “It’s a nearly impossible ...

Trump repeated well-worn boasts of pressuring European countries to boost military ... he hoped to work with Trump so that NATO is “really invigorated under your leadership, and we are getting ...

That article placed Western Europe under U.S. protection against ... In addition to the United States and Canada, the countries that became part of NATO in 1949 were Belgium, Britain, Denmark ...

They keep saying, ‘nothing about Ukraine without Ukraine,’ but they do everything about Russia without Russia,” Foreign Minister Sergey Lavrov told pro-Kremlin US bloggers.

The F-35 was meant as a one-size-fits-all fighter that could be used across NATO. But strained U.S.-Europe relations are ...