Uneasiness grows over continued U.S. support for the 75-year-old alliance as Trump casts doubt on support from other members ...

NATO is encouraging countries to build up personnel numbers, but the trans-Atlantic alliance isn't telling them how to do it.

The Trump administration’s warning last month that Europe must now take care of security in its own backyard raises troubling ...

The North Atlantic Treaty Organization, or NATO, was established in 1949 — partially as a check against Soviet expansion in ...

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

Trump tells NATO chief that US control of Greenland is essential for international security, sparking controversy and ...

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

Europe would pack a strong punch if it were forced to defend itself against Russia without the U.S., American military brass ...

NATO Secretary-General Mark Rutte is praising President Donald Trump for motivating fellow transatlantic alliance members to ...

President Donald Trump is scheduled Thursday to welcome NATO Secretary General Mark Rutte to the White House. The pair are ...

President Donald Trump is hosting NATO secretary general Mark Rutte on Thursday at the White House during an important moment ...

Trump has repeatedly expressed his contention that European countries have been taking advantage of the U.S. by not spending more on defense.