President Trump recently discouraged the use of the Signal app after controversy over a group chat of administration officials detailed military plans.

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting ...

The White House has insisted no classified information was shared on messaging platform Signal after reports emerged that U.S ...

The clone, TeleMessage, was the subject of a reported hack in which the contents of some direct messages and group chats were ...

White House denies report of replacing Defense Secretary Hegseth, calling it "fake news" amid controversy over Signal chat leaks. This live blog is now closed.

White House hit back at news reports detailing Secretary Pete Hegseth's reported involvement in a second Signal group chat, ...

The New York Times reported that the group in the second chat included Hegseth’s wife, Jennifer, who is a former Fox News ...

Secretary of Defense Pete Hegseth has faced multiple allegations of sharing classified information on Signal, a commercially available messaging app.

A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials.

Jill Biden is suspected of giving a secret signal to her husband, former President Joe Biden, when she didn’t want him to ...

WASHINGTON — The White House expressed support Monday for Defense Secretary Pete Hegseth following media reports that he shared sensitive military details in another Signal messaging chat ...