At Senate hearing, Gabbard, Ratcliffe struggled to recall details of Yemen-strike chat shared with journalist.

Representative Hakeem Jeffries, the Democratic leader, urges President Trump to fire Pete Hegseth. At a hearing, two top intelligence officials said it was Mr. Hegseth’s job to determine what was ...

Here's what we know so far, and what we don't know.

Mr. Hegseth’s stumbles started soon after he was sworn in to lead the Pentagon on Jan. 25.

"General military targets" were discussed by senior members of the national security team in the group chat. Follow ...

Republicans are scrambling to defend the Trump administration on its group chat fiasco—and it’s getting more embarrassing by ...

A Biden-era Cybersecurity and Infrastructure Security Agency (CISA) best guidance document shows highly-targeted government ...

A Pentagon-wide advisory sent to staffers on March 18 warned against using Signal for any sharing of information, classified ...

President Donald Trump revealed a staffer with national security advisor Mike Waltz's office added the editor in chief of the ...

The Trump administration’s top intelligence officials stressed to Congress the threat they said was posed by international ...

The fifth-ranking House Democrat called Tuesday for Secretary of Defense Pete Hegseth to resign for sending sensitive ...

John Ratcliffe fell apart when asked in a Senate hearing why the America’s CIA director couldn’t spot a reporter in his text ...