Frank Bisignano, Trump's nominee to lead the Social Security Administration, was pressed at his Senate confirmation hearing ...

Senior administration officials have struggled to explain why the publicly available app was used to discuss such a delicate ...

The White House has tried to play down an incident in which a reporter was added to a US administration chat group discussing ...

The US president has attempted to downplay the leak of US airstrikes on Yemen's Houtis to a journalist via the Signal ...

Democratic senators slammed CIA Director John Ratcliffe and Director of National Intelligence Tulsi Gabbard over a high-profile security breach.

The top Democrats on the House’s Defense, Oversight, Foreign Affairs, and Intelligence committees want answers from President Trump’s national security team, saying they’ve become “deeply ...

A story in The Atlantic detailed how Trump administration officials shared war plans in a group chat that included a journalist.

Senate testimony: U.S. intelligence chiefs are set to testify before the Senate Intelligence Committee on Tuesday in a ...

President Donald Trump stood by his national security adviser, Michael Waltz, on Tuesday, calling him a “good man” a day ...

Town halls are among the strategies that Democrats are using to try to get their base fired up against the Trump White House.

Created by the entrepreneur Moxie Marlinspike, Signal has gone from an exotic messaging app used by privacy-conscious ...