President Donald Trump’s removal of national security adviser Mike Waltz brings further disruption to his national security ...

The fired national security adviser engaged in intense coordination with Israeli Prime Minister Benjamin Netanyahu about ...

Reports of Mike Waltz's exit as national security advisor focused on Signalgate, but President Donald Trump has nominated him ...

Donald Trump appointed Mike Waltz to be the next U.S. ambassador to the United Nations after stripping him of his original ...

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

Perhaps it’s no surprise that Donald Trump —who has redone the Oval Office in neo-Versailles gold, claimed monarchical powers ...

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

Waltz was at the center of the Signal chat controversy, in which a journalist was accidentally included in a discussion of ...

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

Two sources told The Washington Post that Trump had been frustrated with Waltz over foreign policy for months, and that Signalgate was the last straw.