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

Privacy-focused messaging app Signal announced on Monday that it’s introducing a feature that allows users to back up their text conversations for free, along with ...

Meredith Whittaker remembers exactly where she was when she read the story that would spark the first major crisis of the second Trump Administration—the debacle that became known as Signal-gate. The ...

The messages Defense Secretary Pete Hegseth sent to a March Signal chat regarding the U.S. plans to bomb Houthi targets in Yemen came from an email labeled “SECRET/NOFORN,” the Pentagon’s independent ...

Signal chats have reportedly been used in Minnesota to coordinate rapid responses to ICE activity and alert or deploy anti-ICE agitators, according to multiple reports. Independent journalist Cam ...

Since its discovery in 1977, the Wow! Signal has puzzled radio astronomers. The Ohio State University Big Ear radio telescope found this powerful 72-second narrowband radio signal. The signal was ...