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

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

The ousted national security adviser will be nominated for U.N. ambassador, a less influential post, after his ...

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

Mike Waltz, a former US congressman, is the first major official to leave the administration in Donald Trump's second term.

National Security Advisor Mike Waltz and his deputy Alex Wong are resigning from the White House amid the "Signalgate" ...