As part of a deep dive into former Sen. Marco Rubio's immersion into Donald Trump's administration, one of the Florida Republican's aides admitted his boss was not hired for his foreign affairs ...

U.S. markets opened with big gains Wednesday amid clear signs of relief after President Donald Trump said he would not attempt to fire the head of the Federal Reserve and Treasury Secretary Scott ...

Marco Rubio was just two weeks into his new job when he got a critical lesson in being President Donald Trump’s secretary of state. In Latin America on his first trip outside the United States ...

Marco’s moment: Rubio in the hot seat amid Trump team shakeup Secretary of State Marco Rubio's new job as national security adviser sets the former Donald Trump rival up for a bigger role in war ...

Marco Rubio was once one of Trump biggest rivals. Now he is the most powerful Cabinet member, holding four highly-coveted position. Here is how he did it.

Marco Rubio takes over for Michael Waltz as National Security Adviser Secretary of State Marco Rubio is taking over for ... Scott, there's unprecedented churn in Trump's national security team ...