Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

The Defense Department Inspector General's report on Defense Secretary Pete Hegseth's use of Signal for strike planning is slated for release today. The review follows months of controversy over ...

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 (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 ...

As the majority of tech companies lean into AI features and AI agents, Signal’s president, Meredith Whittaker, is pushing back. The Signal boss told Fortune that the rise of AI agents poses an ...

The Nevada DMV has conceded that its enforcement officers used the Signal messaging service in communications with a federal ...