U.S. Secretary of State Marco Rubio on Friday attempted to ease tensions with NATO members and the prime minister of the host country, Belgium, amid steep tariffs announced Wednesday.

U.S. Secretary of State Marco Rubio and the Trump administration’s new envoy to NATO are seeking to reassure wary NATO members of the U.S. commitment to the alliance.

Secretary of State Marco Rubio arrived at in Brussels Thursday for talks that allies hope will shed light on the U.S.’ future 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 spending to 5% of their GDP.

U.S. Secretary of State Marco Rubio on Friday downplayed the impact of the Trump administration's tariffs on NATO members' ability to finance the increases in military spending Washington is pushing for.

European allies and Canada are deeply concerned by President Trump’s readiness to draw closer to Russian leader Vladimir Putin, who sees NATO as a threat, as the US works to broker a cease-fire in Ukraine.

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

Whether the Kremlin is serious about peace talks to end the Ukraine war will become clear soon, the secretary of state said.