Former national security adviser Michael Waltz in the Cabinet Room of the White House in March. Shawn Thew / EPA / Bloomberg ...

President Donald Trump ousted his national security adviser, Michael Waltz. Trump’s use of an 18th century law for ...

In March, the editor of the Atlantic magazine revealed that national security adviser Michael Waltz had inadvertently ...

President Donald Trump's national security adviser Michael Waltz is expected to leave his post, sources familiar with the ...

National security adviser Michael Waltz is expected to depart his post, according to numerous media reports citing anonymous ...

Waltz inadvertently added The Atlantic's editor-in-chief to a group thread discussing sensitive national security matters.

Former White House chief of staff Mark Meadows weighs in on President Donald Trump nominating national security advisor ...

A current and former U.S. official spoke on the condition of anonymity to share a personnel move that has not been announced.

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

A Reuters photographer captured an image of Michael Waltz’s phone screen during a White House cabinet meeting, a day before ...