National security adviser Michael Waltz reportedly meant to add a Trump administration spokesman to the Signal chat where ...

Speaking to The Guardian Sunday, the sources gave a first-time glimpse into the White House's probe into the slip-up - and several 'missteps' made by Waltz in the process.

Donald Trump's administration was left red-faced last month after journalist Jeffrey Goldberg was mistakenly added to a top secret Signal chat discussing attack plans in Yemen ...

The White House’s assertion that the case is closed surrounding national security officials’ use of Signal is getting ...

Defense Secretary Pete Hegseth’s use of the Signal group chat with other national security officials to discuss plans for ...

Signalgate shows a fundamental misunderstanding of encryption, so it's important to understand how these technologies ...

Welcome to the Fox News Politics newsletter, with the latest updates on the Trump administration, Capitol Hill and more Fox ...

The Pentagon inspector general’s office said Thursday that it will scrutinize disclosures made by Defense Secretary Pete ...

The Department of Defense Inspector General notified Secretary Peter Hegseth Thursday of an investigation concerning the use of the 'unclassified' encrypted messaging app Signal in official ...

The Pentagon’s acting inspector general will review Defense Secretary Pete Hegseth’s use of the Signal app to coordinate ...

The Pentagon’s internal watchdog notified the defense secretary of a probe into whether he shared classified information last ...

During the 30-minute meeting, the far-right activist excoriated National Security Council officials in front of the president ...