Notre Dame professors within the NDSIC program help explain the context, importance and impact of the recent Signal group ...

Hegseth's use of the app came to light when a journalist, Jeffrey Goldberg of The Atlantic, was added to a Signal text chain ...

The Pentagon’s independent watchdog launched a probe Thursday into top officials in President Donald Trump’s administration who discussed a military strike using the commercial messaging app Signal.

President Donald Trump has moved to fire several White House National Security Council officials, acting soon after being ...

The Pentagon's inspector general is investigating Defense Secretary Pete Hegseth's use of Signal for sensitive discussions on ...

In meetings with NATO ministers, Mr. Rubio is expected to press Mr. Trump’s call for a swift end to the war in Ukraine, an ...

When Atlantic editor-in-chief Jeffrey Goldberg was inadvertently included in a secret government attack-plan chat on Yemen, why did he listen in for five days rather than inform the government that he ...