The abrupt personnel shake-up has roiled the Pentagon’s inner sanctum and left other officials wondering who else could be ...

On Friday, 37-year-old Graciela Xiomara Castellanos was arrested after police found her unresponsive daughter, Rebecca, in a ...

Caldwell’s sudden downfall was tied to an investigation into unauthorized disclosure of department information.

A watchdog group has said the exchanges on the Signal app were federal records, and sued in an effort to preserve them.

DENVER — The recent Signal chat leak has caused some to criticize the encrypted messaging ... “It's not that Signal was compromised or that Signal has security issues,” he said. “It's just that people ...

There has been nonstop discussion about the Trump administration's Signal chat leaks, in which Vice President JD Vance, Secretary of Defense Pete Hegseth and other national security advisers ...