White House national security adviser Mike Waltz is set to depart the administration, according to two people familiar with the matter on Thursday, marking the first major staff shakeup of ...

Mike Waltz had faced criticism for mistakenly adding a journalist to a chat group where sensitive military plans were discussed.

The Trump administration is overhauling the National Security Council after it announced former National Security Advisor ...

Under the plan, the NSC would shrink, and would shift from making recommendations to President Donald Trump to carrying out ...

"I respect the rights of those who do not share my beliefs, but to teach my faith to my children and to share it with anyone ...

With four hats, including national security adviser, the former Trump rival is defying predictions he’d be a weak player.

Days after former National Security Adviser Mike Waltz was caught using a knock-off Signal app, a hacker broke into the ...

Marco Rubio will be the first person since Henry Kissinger in the 1970s to hold the positions of secretary of state and ...

Rubio is now both secretary of State and national security adviser, like Kissinger. This just shows his shows his pliability, not his power.

A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials. "I don't even know where to start with this," says one expert.

National security adviser Mike Waltz is out, with Secretary of State Marco Rubio replacing him on an interim basis. President ...