The White House continued to downplay the seriousness of the incident, parsing semantics and attacking the journalist who was ...

Israel reportedly supplied sensitive intelligence about a human target discussed in a Signal chat that included a journalist.

President Donald Trump has reopened a debate in the fight over the federal government’s role in education policy after ...

The Atlantic report sparked sharp reactions to the apparent security lapse, including calls for some officials in the chat to ...

All of this brings back memories of a survival manual that absolutely petrified me when I was a kid. The Protect and Survive ...

The leaders of the U.S. Senate Armed Services Committee confirmed on Thursday that they have asked the Defense Department for ...

Jeffrey Goldberg says Mike Waltz sent him a 'connection request' on Signal, but that's not a thing. Is he protecting a source ...

Trump administration officials are struggling to stem the fallout from revelations that top national security officials ...

The Atlantic editor-in-chief Jeffrey Goldberg released Houthi attack plans that Trump administration officials shared on a ...

U.S. national-security leaders included me in a group chat about upcoming military strikes in Yemen. I didn’t think it could ...

Trump’s top intelligence officials faced tough questions from U.S. senators about the security breach, in which war plans ...

Former Democratic presidential candidate Hillary Clinton shared her surprise Monday about a report from The Atlantic’s editor ...