Secretary Rubio’s new role as national security adviser may be unsustainable, according to foreign policy experts.

Marco Rubio serving as both Secretary of State and national security adviser could be "ultimately disadvantageous" to President Trump, says former adviser John Bolton.

With no appetite to slash pensions or hike taxes, European capitals are stretching the definition of defence spending before ...

Germany’s Foreign Ministry has responded forcefully to U.S. Secretary of State Marco Rubio's criticism of the country's ...

Forty-percent of respondents to an INSA survey were in favor of banning the far-right party. Meanwhile, Germany's incoming ...

In a dramatic shift in fortunes, Rubio is the first person since Henry Kissinger to be both secretary of state and national ...

The decision to label the AfD as "right-wing extremist" is straining US-German relations. The Trump administration has ...

Secretary Rubio has chosen a much more challenging path than simply excising large parts of the bureaucracy in one fell swoop ...

The New York Times reports Secretary of State Marco Rubio is now interim national security adviser to President Donald Trump, ...

On Tuesday, a spokesperson for US Secretary of State Marco Rubio said if there are no signs of a breakthrough, Washington, ...

Both Kyiv and Moscow have sought to show Trump they are making progress towards his goal of a rapid peace deal, but at the ...