Officials inadvertently added a reporter to an unsecured group chat discussing plans for a U.S. attack on Houthis in Yemen.

The defense secretary sent information about an attack in Yemen to a Signal group chat that included his wife and brother ...

As the White House faces criticism over the blunder, questions remain about how such a mistake occurred—and whether it could happen again.

He shared details of a March attack in a message group that included his wife, brother and personal lawyer, a source familiar ...

The White House reacted furiously on Wednesday after The Atlantic magazine published messages between national security ...

Military lawyers question Pentagon head Pete Hegseth's defense that he didn't share anything revealing in Signal chat group ...

US defence secretary Pete Hegseth is back at the centre of a national security scandal due to a second Signal group chat with ...

"I'm a journalist ... what Goldberg characterized as a war plan. The message included a "sequencing of events related to an upcoming attack on Yemen" and promised results by 1:45 p.m. Eastern ...