The White House considers the Signal chat leak case "closed," press secretary Karoline Leavitt told the media Monday.

Although Trump decided not to fire his national security adviser over the Signal group chat, Waltz’s position is tenuous, ...

When Donald Trump selected Mike Waltz to serve as national security adviser, the choice was widely seen as win-win: A combat ...

In public, White House National Security Advisor Mike Waltz is struggling. In private, there's reason to believe his troubles ...

White House counselor Alina Habba on Tuesday said President Trump is standing by embattled National Security Adviser Mike ...

Later, Waltz served as defense policy director in the Pentagon under Secretaries of Defense Donald Rumsfeld and Robert Gates ...

A spokesman for the White House National Security Council suggested Tuesday that national security adviser Mike Waltz has received work-related emails on his personal Gmail account – but has ...

Amid the backlash to the Trump administration’s use of the private messaging app Signal for sensitive U.S. military planning ...

The White House has fired multiple administration officials, including at least four National Security Council staffers, ...

President Trump defended National Security Adviser Mike Waltz for his role in the Signal group chat that inadvertently included a journalist while discussing strikes on Houthi rebels in Yemen.

When Donald Trump selected Mike Waltz to serve as national security adviser, the choice was widely seen as win-win: A combat veteran with four Bronze Stars would bring his judgment to the White ...