Under questioning from senators, the C.I.A. chief and the director of national intelligence pointed to the defense secretary ...

The often bureaucratic nature of classified information is complicated, with different levels of secrecy and different ...

The Trump administration's use of a popular app to discuss sensitive military plans is raising questions about security and ...

The top Republican and Democrat on the Senate Armed Services Committee requested an investigation Thursday into how Trump ...

The Trump administration’s use of Signal for military discussions, including a journalist, raises national security concerns.

Colo., told Morning Edition that "the risk of casualties goes up tremendously" if adversaries learn of military operations.

Sensitive military documents were found in a Newcastle street by a football fan ahead of the Carabao Cup Final ...

Lawmakers are demanding answers after Trump-era officials used the Signal app to discuss military strikes. A federal judge ...

Republican and Democratic leaders on the Senate Armed Services Committee are requesting a formal investigation into the ...