U.S. President Donald Trump ousted his national security adviser Mike Waltz on Thursday and named Secretary of State Marco ...

President Trump is tapping national security adviser Mike Waltz to be his ambassador to the United Nations following reports ...

Waltz was among high-ranking members of the administration who accidentally shared plans about a forthcoming U.S. military ...

US President Donald Trump has replaced Mike Waltz as national security adviser and said that he is nominating him to be the ...

The US president said Waltz would instead be nominated as the US’s ambassador to the UN, despite his role in Signalgate.

President Trump said Thursday he is removing Mike Waltz from his role as national security adviser and in the interim replacing him with Secretary of State Marco Rubio. Trump said he's nominating ...

Former Florida Senator and current Secretary of State Marco Rubio will serve as the acting national security adviser, ...

Marco Rubio, the US secretary of state, will step in as Donald Trump's national security adviser on an interim basis.

President Donald Trump on Thursday announced the recently ousted Mike Waltz will remain in his cabinet -- albeit in a ...

US Secretary of State Marco Rubio has become one of the most powerful players in the president's cabinet, taking the fourth ...

President Donald Trump confirmed that he intends to nominate him as the next U.S. Ambassador to the United Nations.

Marco Rubio has been given two top national security jobs in the latest move by the US President Donald Trump.On Thursday, ...