President Trump said on Thursday he is nominating his national security adviser Mike Waltz as his ambassador to the United ...

President Donald Trump said Thursday that he's naming Secretary of State Marco Rubio as acting national security adviser to ...

NEW DELHI (AP) — U.S. Secretary of State Marco Rubio called senior officials in India and Pakistan in an effort to defuse the ...

WASHINGTON (AP) — Elon Musk, preparing to step back from his work leading the Department of Government Efficiency, had a ...

State Department spokeswoman Tammy Bruce learned from a reporter that her boss, Secretary of State Marco Rubio, got an ...

Trump says he's naming Secretary of State Rubio as acting national security adviser and taps Waltz for UN ambassador.

Latest news and live updates as Trump joins a National Day of Prayer event and delivers the University of Alabama commencement address.

After Michael Waltz, the national security adviser, inadvertently included The Atlantic ’s editor in chief in a group chat ...

President Trump nominated Mike Waltz to be U.S. Ambassador to the United Nations and said Secretary of State Marco Rubio ...

Also, scientists are investigating metformin’s anti-aging abilities. Here’s the latest at the end of Thursday.

Meanwhile, Marco Rubio now holds four top roles within the Trump administration, making him the first official in decades to ...

Waltz’s ouster on Thursday was cushioned by his appointment as President Donald Trump’s ambassador to the United Nations.