A journalist’s account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes ...

Officials inadvertently added a reporter to an unsecured group chat discussing plans for a U.S. attack on Houthis in Yemen. Here's a look at a timeline of the events.

President Trump stood by national security adviser Mike Waltz on Tuesday, one day after he was revealed to have looped in the Atlantic magazine’s editor in chief on deliberations about ...

Atlantic Editor-in-Chief Jeffrey Goldberg was accidentally added to a group text with White House officials discussing war plans. This is why Democrats and security experts are alarmed.

Several lawmakers from the Pacific Northwest roundly condemned the incident, and two of them called for Secretary of Defense ...

The chat app, which is run by a nonprofit foundation, has been downloaded 220 million times. Here’s what to know about Signal ...

The Trump administration officials offered a range of responses, from downplaying to denouncing the intelligence breach ...

At an already scheduled hearing Tuesday, Democratic senators called the incident "mind-boggling" and "reckless," and called for an investigation.

Top White House officials acknowledged it was ‘not appropriate’ for The Atlantic’s editor-in-chief to be included in the chat ...

The Atlantic's editor-in-chief Jeffrey Goldberg reported he was accidentally added by Mike Waltz to a group chat containing ...

This sloppiness, this incompetence, this disrespect for our intelligence agencies and the personnel who work for them is ...

Top national security officials for President Donald Trump, including his defense secretary, texted plans for upcoming ...