U.S. Secretary of State Marco Rubio on Thursday called for America's partners in the NATO alliance to up their defense spending to 5% of their GDP.

The U.S. and Denmark offered drastically different perspectives regarding a meeting on the sidelines of the NATO conference in Brussels.

Secretary of State Marco Rubio said the U.S. has "to reset the global order of trade" and that President Donald Trump is "absolutely right to do it."

United States Secretary of State Marco Rubio has told his NATO counterparts that it will become clear within weeks if Russia is “serious” about reaching a ceasefire in Ukraine. The comments on Friday came at the end of a two-day meeting of the alliance’s foreign ministers in Brussels,

US Secretary of State Marco Rubio said Friday that Trump was not "going to fall into the trap of endless negotiations" with Russia over Ukraine.

U.S. Secretary of State Marco Rubio warned Russia that the Trump administration would not engage in endless negotiations. The U.S. expects a quick decision to end the war. What do you need to know? The U.

NATO foreign ministers will gather in Brussels for their regular spring meeting. Much like at the defense ministerial in February, all eyes will be on the American representative. This time, it's Secretary of State Marco Rubio.