In some cases, federal agencies have permitted the use of Signal, the encrypted messaging app used by top Trump officials to ...

The move comes soon after far-right activist Laura Loomer urged Trump to purge staffers she deemed insufficiently committed ...

The White House’s assertion that the case is closed surrounding national security officials’ use of Signal is getting pushback in Congress, even among some Republicans who say their own probes ...

President Donald Trump said Thursday that he's fired "some" White House National Security Council officials, a move that ...

LONDON — A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive ...