It’s a more extensive use of the app than previously reported and sheds new light on how commonly the Trump administration’s ...

Democratic leaders of key House committees are reigniting calling for national security adviser Mike Waltz to step down.

Amid the backlash to the Trump administration’s use of the private messaging app Signal for sensitive U.S. military planning ...

Her quotes capped off a remarkable, weeklong stretch that began after The Atlantic’s editor-in-chief, Jeffrey Goldberg, ...

There has been intense scrutiny on both men after a journalist was inadvertently included in a sensitive private group chat.

Some military and government officials have expressed concern about the contents of Hegseth’s messages saying he leaked sensitive attack details that were “reckless and dangerous.” ...

Jeffrey Goldberg, editor-in-chief of The Atlantic, decried assertions he had never spoken with national security adviser Mike Waltz before being included in a Signal group chat with top Trump ...

Earlier this week, the Wall Street Journal reported that Waltz had “created and hosted multiple other sensitive ...

President Donald Trump confirmed that multiple employees within the National Security Council were fired Thursday, adding to ...

The team of President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial ...

The inquiry will examine whether the Pentagon chief violated the agency’s standards for sharing classified information.