Mike Waltz, President Donald Trump's nominee for U.S. ambassador to the United Nations, appeared before the Senate Foreign ...

Waltz repeated past denials that he did not commit any wrongdoing when he inadvertently added a journalist to a Signal app group chat earlier this year.

Mike Waltz, Trump's former national security adviser, faced questions from Democrats on the Signal chat controversy Tuesday ...

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.

Vice President JD Vance joined President Donald Trump's third campaign for president as his running mate one year ago.

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.

Mike Waltz is facing questioning from lawmakers for the first time since he was ousted as national security adviser.

Former national security adviser Mike Waltz defended his use of the messaging app Signal during a confirmation hearing Tuesday during which lawmakers largely avoided the topic.

US Defense Secretary Pete Hegseth launched America’s boldest military drone modernisation effort to date. On July 11, Hegseth ...

US allies in Europe are worried that American support for Ukraine is fickle, and that the Trump administration will cut its troop posture on the continent.

The latest steps reflect an evolving approach from the U.S. president, who promised to swiftly resolve the war that began ...