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 ...

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 ...

A jolt of staff upheaval this week made Marco Rubio the first person in 50 years to hold the top two national security jobs ...

White House insiders are buzzing about the possibility of Stephen Miller, President Trump’s top policy and homeland security ...

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