Investigators are asking about Defense Secretary Pete Hegseth’s lawyer and a top aide as they look into the Signal app controversy.

Mike Waltz, President Trump's former national security adviser, testified Tuesday at his Senate confirmation hearing to be U.S. ambassador to the United Nations.

The clash was sparked by claims that a team leader with Elon Musk’s DOGE cost-cutting department had called law enforcement on a colleague, people familiar said.

Defense Secretary Pete Hegseth attacked the media for reporting on a preliminary, low-confidence assessment that said Iran’s nuclear program was only set back a few months after U.S. strikes.

The first woman to lead the U.S. Naval Academy is being reassigned by Defense Secretary Pete Hegseth, multiple outlets ...