Current and former US officials have told CNN they believe two texts sent by national security adviser Mike Waltz and CIA ...

The national security adviser's use of the messaging app is under scrutiny after he mistakenly added a journalist to a ...

A federal judge has ordered the Trump administration to preserve records of a text message chat in which senior national ...

Top government officials used Signal to discuss air strikes on Houthi targets in Yemen as the Trump administration stepped up ...

U.S. officials seek to curb the militants’ attacks on ships in the Red Sea, but the group was not deterred by strikes in the ...

Some think Vance tried to block an order from Trump. Others feel he is on the wrong side of a rift between MAGA and GOP ...

Democratic Sen. Mark Warner said had information been leaked from national security officials' Signal chat on plans to bomb the Houthis, lives could have been lost.

Just imagine what they'd be saying if this happened under a Democratic administration. The "but her emails" crowd continues ...

A federal judge on Thursday ordered the Trump administration to preserve all Signal communications over the span of several ...

National security officials inadvertently added Atlantic editor Jeffrey Goldberg to a Signal group chat discussing military ...

Trump officials have repeatedly downplayed the messages, claiming no classified information was shared in the chat that ...

A powerful U.S. Senate Republican called on Wednesday for an independent probe of Trump administration officials' discussion ...