Defense officials say Dan Caldwell, a senior adviser to Defense Secretary Pete Hegseth, has been placed on administrative ...

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

Jeffrey Goldberg, editor-in-chief of The Atlantic magazine, said in a bombshell report Monday ... Trump advisor Waltz takes 'full responsibility' for Signal chat leak Waltz said Tuesday that ...