Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting on April 30.

Before that scandal, Waltz had already angered Trump by going behind his back to talk with Israeli Prime Minister Benjamin Netanyahu about waging war on Iran, The Washington Post reported Saturday.

Trump nominates Waltz to be UN ambassador Secretary of State Marco Rubio will wear two hats and serve as national security adviser during the interim.

Democrats eager to grill Waltz during confirmation hearing for U.N. post Waltz did not require congressional approval to serve as President Donald Trump’s national security adviser.

Mike Waltz is on his way out as President Trump’s national security adviser, a source familiar with the matter told The Post Thursday.

While "The Magic Flute" by Austria's composer Wolfgang Amadeus Mozart was included among the selection of 27 music pieces, Strauss's famous waltz was not. bg/kym/jza/phz/rlp/sco ...

Mike Waltz, the former Florida congressman who ascended to be President Donald Trump’s national security adviser, was pushed out of that job on Thursday, becoming the first Cabinet official to ...

President Trump announced Thursday that he plans to nominate Waltz, who has been the national security adviser, to be U.N. ambassador, sources said.

Waltz praised Pete Hegseth's role heading up the Pentagon, and dismissed any allegations of broader dysfunction within the Defense Department as a "media narrative." ...

National security adviser Mike Waltz and his deputy, Alex Wong, will be leaving their posts in the Trump White House, according to multiple sources familiar with their departure.

National Security Adviser Mike Waltz said the US can’t afford to “subsidize” NATO allies’ security spending anymore — and that the defense of Ukraine “must be European-led” during an ...

The Last Waltz Ensemble will headline a free outdoor concert at the soon-to-be-demolished Decatur Bandstand as part of this year’s Amplify Decatur Music Festival.