With four hats, including national security adviser, the former Trump rival is defying predictions he’d be a weak player.

A jolt of staff upheaval this week made Marco Rubio the first person in 50 years to hold the top two national security jobs ...

There is a very real possibility that Trump keeps Rubio as both secretary of state and national security adviser, according ...

After the removal of Mike Waltz as national security adviser, Marco Rubio now has four different roles in Donald Trump's ...

Zach Witkoff—son of Middle East envoy Steve Witkoff and founder of the Trump family’s crypto firm, World Liberty ...

Rubio’s dual-hatted role comes on top of him serving as acting administrator of the largely shut down USAID and as acting ...

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

Trump said he's nominating Michael Waltz to be ambassador to the United Nations, while Secretary of State Marco Rubio will ...

Senate Republicans narrowly voted down a Democratic resolution that would have blocked global tariffs announced by President ...