Secretary of State Marco Rubio's new job as national security adviser sets the former Donald Trump rival up for a bigger role ...

Last week, Rubio made history again when Trump tapped him as national security adviser after former U.S. Rep. Mike Waltz, ...

US secretary of state Marco Rubio has finally reached out to the real centre of Pakistan's power, Army chief Asim Munir, ...

WH deputy chief of staff Stephen Miller dispelled rumors that President Trump is considering him to replace Mike Waltz as National Security Advisor. Miller suggested that Secretary of State Marco ...

Secretary of State Marco Rubio now holds four top roles in the Trump administration, raising questions about power, trust – ...

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.

As Rubio ascends in Trump’s administration, those close to him and Vance downplay any talk of a clash between the two men, who have become close friends and ideological allies.

Secretary of State Marco Rubio’s new assignment as President Trump’s interim national security adviser brings him deeper into an inner circle dominated by “America First” loyalists.

President Donald Trump’s removal of national security adviser Mike Waltz brings further disruption to his national security ...