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

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

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

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

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, ...

World: The photo revealed that Waltz had been texting several high-profile figures, including Vice President JD Vance, Marco ...

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

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

Sen. Tammy Duckworth said Sunday that she expects Mike Waltz to have a "brutal hearing" for U.N. ambassador after his surprise departure as national security adviser.

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

President Donald Trump's outgoing national security adviser Mike Waltz was photographed using Signal on his phone during ...

President Donald Trump announced that Mike Waltz had been ousted as national security advisor. He was previously caught up in ...