The inquiry will examine whether the Pentagon chief violated the agency’s standards for sharing classified information.

Hegseth and other top administration officials have said that no classified information was shared in a Signal messaging app ...

The Defense Department Inspector General's Office has opened an investigation into Defense Secretary Pete Hegseth's use of ...

In the wake of an explosive report that senior Trump administration officials discussed planned military strikes in a Signal ...

The lack of public contrition, let alone resignations, from top officials, reflects a White House that operates in a culture of impunity and has stacked the Justice Department and FBI – which might ...

Former national security officials reacted with shock and horror to revelations in The Atlantic that top members of President Donald Trump’s Cabinet sent detailed operational plans and other likely ...

Senior Trump administration officials have been accused of using the third-party app to discuss highly sensitive national security information.

The Senate Armed Services Committee is calling for an independent investigation ... U.S. airstrikes against Iran-backed Houthi rebels in Yemen hours before they happened, because he was added to a ...

Democrats have called for an investigation into the use of the Signal group chat to discuss ... it included operational details of strikes on Yemen, including information about targets and attack ...

US officials' use of an unsecured chat app presented potential problems even before a journalist was added to the group, ...

Defense Secretary Pete Hegseth and other members of the Trump administration are being investigated for their recent use of a ...