High-level Trump officials used the digital messaging app Signal to communicate sensitive details about an impending military strike against Houthi terrorists in Yemen earlier this month, sparking ...

Waltz was removed from his job as national security adviser after he accidentally added a journalist to his Signal chat about ...

Lawmakers from both parties tell TIME they want all of the Signal chat messages after Trump officials insisted none of it was ...

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...

WASHINGTON -- Minority Leader Chuck Schumer and top Senate Democrats from national security committees wrote a letter to President Donald Trump seeking more information about reports that members of ...

Add Yahoo as a preferred source to see more of our stories on Google. Signal is considered one of the most secure messengers. However, the app could disappear from the European market if an EU ...

Defense Secretary Pete Hegseth put U.S. troops at risk by sharing sensitive plans about an upcoming military strike in Yemen on his personal phone, according to a Pentagon inspector general’s report ...

WASHINGTON (AP) — The Pentagon’s watchdog found that Defense Secretary Pete Hegseth put U.S. personnel and their mission at risk when he used the Signal messaging app to convey sensitive information ...