The probe will examine whether the defence secretary complied with policy when he used the commercial messaging app.

Readers say Hillary Clinton's handling of email is not remotely comparable to White House officials sharing battle plans in a ...

Pete Hegseth has had a rough few weeks, what with his starring role in the Signal chat scandal and calls for his resignation ...

Trump told the reporter during a press conference, 'Oh, you’re bringing that up again? Don’t bring that up again' ...

You think the Signalgate debacle is a national security disaster? You may not realize the half of it. This Pentagon blunder (don’t call it a mistake) lays bare the security risks posed by President ...

President Trump’s slow response — expressing ignorance at first, then tentatively shifting blame to Waltz, who set up the ...

President Trump reportedly fired several White House national security aides on Thursday after right-wing provocateur Laura ...

The “Signalgate” scandal has raised concerns about the competence of the national security apparatus and the trust of the ...

"My head exploded when I heard the Trump administration carelessly leaked classified information about a planned US military ...

Just seven days after the Signal chat scandal erupted, the White House announced that it doesn’t want to talk about it ...

Representative Jimmy Gomez (D-CA) joins José Díaz-Balart on MSNBC to talk about cybersecurity concerns following the Signal ...