Confidence in America's role in safeguarding its allies in Europe is wavering, while Washington has launched into a trade war ...

President Donald Trump told NATO Secretary-General Mark Rutte on Thursday that U.S. control of Greenland is necessary to ...

European countries have broadly tried to wean themselves off a dependence on Russian oil in the more than three years since ...

Exchange-traded funds focused on defense and arms companies are amassing inflows at a brisk clip as US President Donald Trump ...

U.S. President Donald Trump and NATO Secretary-General Mark Rutte met Thursday to discuss current events affecting the United ...

Europe is staring down the barrel of a stark new reality where the United States being the backbone of NATO – the alliance ...

Trump has repeatedly criticized Europe's defense spending and previously threatened to leave NATO if allies didn't pay more.

As some Republican lawmakers push for the US to leave NATO, questions arise about the alliance's role, history, and impact on ...

Portugal's outgoing defense minister said his country must consider the United States' reliability as a NATO ally and a ...

Trump said on Thursday he's "not so sure" NATO allies would come to America's defense, despite its Article 5 being invoked ...

President Donald Trump's pick for NATO ambassador promised senators the United States’ commitment to NATO will be “ironclad,” ...

Momentum is building among some Republicans and SpaceX and Tesla CEO Elon Musk to withdraw the U.S. from NATO amid stalled ...