At the Pentagon’s last briefing on March 17, a Pentagon spokesman said the operation would not be “an endless offensive.” ...

Allegations against a satellite-imaging company highlight growing military support from Beijing and Moscow.

U.S. airstrikes targeting an oil port held by Yemen's Houthi rebels killed dozens and wounded more than 100 others, the group ...

A Pentagon investigation into leaks of classified and sensitive information has expanded to include two more aides to Defense ...

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

The glaring disparity of how leakers are treated comes into view as some of the highest-ranking members of the Trump administration reel from the group text scandal.

WASHINGTON – National Security Adviser Mike Waltz told Fox News on Tuesday he took “full responsibility for inviting a reporter onto a group Signal app chat of Trump administration officials ...

In the end, Trump decided against removing Waltz, primarily to avoid handing out what he saw as a victory to the Atlantic and ...

An iPhone contact glitch involving NSA Mike Waltz mistakenly added journalist Jeffrey Goldberg to a secret Signal chat on U.S ...

The Pentagon's watchdog is investigating Defense Secretary Hegseth's use of the messaging app Signal to discuss attack plans ...

Atlantic Editor-in-Chief Jeffrey Goldberg published a story saying he had been inadvertently added to the group chat on pending strikes against the Houthis ... well as which US military assets ...

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