Five Cabinet members are facing a federal lawsuit over the use of Signal to coordinate military strikes in Yemen.

A government watchdog group is suing national security leaders for their use of Signal to discuss military actions, saying ...

Watchdog group American Oversight sued Trump officials after the shocking national security failure exposed by The Atlantic.

Having that conversation on the commercial app Signal may have been ... shows this particular chat was set to automatically delete messages after four weeks. A law President Barack Obama signed ...

A federal judge in Washington ordered Trump administration officials Thursday to temporarily preserve records of a leaked ...

Jeffrey Goldberg, The Atlantic’s editor in chief, brushed off the risk of a legal threat from the Trump administration after ...

Angry Senators described as sloppy and incompetent the use of the Signal chat by Pete Hegseth and others for an active ...

National Security adviser Mike Waltz has taken full responsibility for creating the Signal group chat. Newsweek's live blog ...

Donald Trump was asked whether he approved of his top advisers using the messaging platform to discuss war plans.

A federal judge on Thursday ordered the Trump administration to preserve the records of a Signal ... preserve the chat records. Boasberg’s decision Thursday marked another legal decision against ...

Five high-ranking officials of US President Donald Trump’s administration face a federal lawsuit over the accidental inclusion of a journalist in a Signal chat where officials discussed military plans ...