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

Russia is “engaged in a large-scale global attempt” to take over Signal and WhatsApp accounts, two Dutch intelligence agencies said Monday.

Encrypted messaging app Signal continues to see spiking downloads in the wake of the messaging scandal that saw The Atlantic’s editor-in-chief Jeffrey Goldberg added to a group chat where high-ranking ...

The Trump administration is facing heavy blowback for using Signal, a messaging app, to discuss sensitive military plans. On March 24, officials’ usage of the app was revealed after The Atlantic ...

Almost immediately after news broke that US government officials had inadvertently shared war plans with a journalist last week, misinformation began to fly. Much of it had to do with the inner ...

Q: What’s the difference between Signal and WhatsApp, and should I switch? A: Until recent news involving the Signal app, it was a relatively unknown messaging platform to many nontechnical users ...

Mike Waltz appears to be communicating with other Trump officials via a version of Signal a day before he was removed as White House national security advisor. A photo from a Cabinet meeting Wednesday ...