Mike Waltz's exit from the Trump administration comes on the heels of the Signal chat scandal. Here's what happened.

Fired National Security Adviser Mike Waltz can‘t help but leak his Signal chats. Waltz, whose downfall was precipitated by ...

U.S. President Donald Trump said on Thursday that he is nominating national security adviser Mike Waltz to be the next U.S.

Mike Waltz, President Trump's national security advisor, is leaving the White House weeks after he accidentally added a ...

Defense Secretary Pete Hegseth faces a Pentagon watchdog investigation over use of the Signal app to share details of planned ...

Mike Waltz, the Trump adviser who accidentally invited a journalist to a war plans group chat on Signal, was caught casually ...

President Trump also closed a major shipping loophole that allowed Americans to purchase cheap goods from China without paying tariffs ...

President Trump recently discouraged the use of the Signal app after controversy over a group chat of administration ...

Maritsa Georgiou, who hosts the podcast "Grounded" with former Sen. Jon Tester, beaks down the week's top political headlines ...

A little over three months into his stint as President Donald Trump's national security adviser, Mike Waltz was embroiled in a controversy ... messaging application Signal to discuss highly ...