The secretary of state’s trip comes amid an abrupt shift in relations between the United States and Europe after close ...

Britain’s defense minister is pressing his counterparts from around 30 countries to forge ahead with plans to deploy troops ...

Rubio is at a meeting of NATO foreign ministers at which many are hoping he will shed light on U.S. security plans in Europe.

U.S. Secretary of State Marco Rubio on Thursday called for America's partners in the NATO alliance to up their defense ...

Has Trump put an end to NATO’s collective defense commitment? Not officially, but U.S. allies don’t seem confident the president will have their backs.

Japanese Defense Minister Gen Nakatani says Japan wants to participate in a NATO command for its Ukrainian mission as Japan ...

U.S. Secretary of State Marco Rubio told NATO allies on Thursday that Washington remained committed to the alliance but ...

Secretary of State Marco Rubio told NATO allies they must make hard choices and increase defense spending to 5% to bolster ...

Shoshana Chatfield, who holds a senior position in NATO, has been fired as part of what appears to be an expanding national ...

Secretary of State Marco Rubio said he hopes to leave a NATO meeting with a commitment to 5 percent on defense spending.

U.S. Secretary of State Marco Rubio on Friday attempted to ease tensions with NATO members and the prime minister of the host ...