Last week, however, Waltz’s phone made headlines again: on Thursday, the same day that Waltz would be ousted from his ...

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

Mike Waltz was removed as Trump's national security adviser and faces Senate confirmation as the new nominee to be ambassador to the U.N.

"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough ...

National security adviser Mike Waltz is leaving his White House post, although soon after reports about his departure were ...

Sen. Tammy Duckworth (D-IL) confirmed Sunday she would not support Mike Waltz in a Senate vote determining whether he will be ...

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

A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...

The ability to navigate power dynamics in the White House and sort through competing policy visions is essential.

The national security adviser infamously added The Atlantic's Jeffrey Goldberg to a Signal group chat discussing Yemen attack ...

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

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while ...