Waltz's deputy, Alex Wong, who was also ousted this week, reportedly remains at the National Security Council.

In the photos, Waltz has apparently remembered to turn his papers face down before the troupe of reporters — print, TV, photo ...

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

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet ...

President Trump reportedly wasn’t “happy” about his national security adviser’s hawkish stance on striking Iran nuclear sites ...

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

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

Waltz was trying to push “U.S. policy in a direction Trump wasn’t comfortable with because the U.S. hadn’t attempted a diplomatic solution,” one White House insider said.

There are some hurdles former National Security Advisor Mike Waltz must clear first before the United Nations ambassador job ...

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.

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