For weeks, UN officials have been on tenterhooks waiting to see who US President Donald Trump would appoint as his ambassador ...

The latest controversy comes as both Waltz and current Defense Secretary Pete Hegseth have made headlines for multiple Signal ...

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

Mr Waltz came under searing scrutiny in March after revelations that he added journalist Jeffrey Goldberg to a private text ...

A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials.

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

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

Mike Waltz was fired as national security advisor after being caught using the encrypted messaging app Signal during a ...

Donald Trump’s National Security Adviser Mike Waltz will be leaving his role in the White House, multiple outlets have ...

National Security Advisor Michael Waltz, who was fired the day before, will become the US Ambassador to the UN.US President ...

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

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