After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

Waltz came under fire in March after he inadvertently invited a journalist, The Atlantic's Jeffrey Goldberg, to a Signal group chat with other national security officials, such as Vance and ...

Democrats will likely zero in on Mike Waltz's involvement setting up a Signal group chat to discuss plans about strikes against the Houthis during his confirmation hearing for U.N. ambassador.

Signal is the encrypted messaging app that Waltz and other high-ranking administration officials used when he inadvertently added Atlantic Editor-in-Chief Jeffrey Goldberg to the group chat of ...

Sen. Cory Booker attacked former national security advisor Mike Waltz for not taking greater accountability for his role in a Signal group chat used to discuss strikes against the Houthis.

Former National Security Advisor Mike Waltz faced scrutiny over a Signal chat incident during his U.N. ambassador hearing before the Senate Foreign Relations Committee.