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

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

Vice President JD Vance downplayed the notion of a rivalry between himself and Secretary of State Marco Rubio, a potential ...

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

Trump called the attacks "a shame," saying he hopes for a swift resolution. Secretary of State Marco Rubio echoed Trump's sentiments, stating he is monitoring the situation and engaging with both ...

Secretary of State Marco Rubio is now taking on an additional role as national security adviser. Throughout U.S. history, just one other person has held both jobs at the same time. Photo from ...