Sens. Mark Warner and Tammy Duckworth say Marco Rubio cannot be secretary of state and acting national security advisor.

President Donald Trump, in an interview aired Sunday on NBC's "Meet the Press," addressed recent shifts within his national ...

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

President Trump mentioned Secretary of State Marco Rubio as a possible successor, along with Vice President Vance, as he ...

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

Trump has acted to ensure that America speaks with one voice abroad — his own. That’s not a power grab. It is a reassertion ...

Secretary of State Marco Rubio’s new assignment as President Trump’s interim national security adviser brings him deeper into ...

Germany’s foreign ministry has hit back at U.S. Secretary of State Marco Rubio after he criticized the decision to classify ...

President Donald Trump’s removal of national security adviser Mike Waltz brings further disruption to a national security team that has already endured scrutiny over using ...

Donald Trump’s ousted National Security Adviser Mike Waltz faces fresh controversy after being spotted using Signal on his ...

President Donald Trump said Thursday that he is nominating national security adviser Mike Waltz as United Nations ambassador ...

A federal judge ordered a Venezuelan couple, accused by the Trump administration of being members of the Tren de Aragua gang, ...