Meredith Whittaker spent her first few years running Signal preaching the encrypted-messaging app’s benefits for sensitive ...

Deputies say they discovered the inappropriate messages Traylor was sending to a teenage girl on Wednesday night.

For those who don't know, Signal is a private messaging app that provides end-to-end encrypted text, voice, and video ...

We asked our readers to cloak themselves in anonymity and tell us all about their best and worst cruising experiences.

A messaging app called Signal based in San Francisco was used by the Trump administration to discuss war plans.

Tuesday's hearing was dominated by questions about the officials participating in a group chat on Signal in which they discussed plans for strikes in Yemen.

The Atlantic published the U.S. attack plans that Secretary of Defense Pete Hegseth shared on the Signal messaging app, in a ...

Trump told NBC News that the lapse “turned out not to be a serious one," and articulated his continued support for national ...

Until Monday, many people had likely never heard of the messaging app Signal, let alone used it. But that suddenly changed with the news that top officials in President Donald Trump's administration ...

Atlantic Editor-in-Chief Jeffrey Goldberg was added to a Signal group chat of U.S. national security officials discussing ...

Here's what we know so far, and what we don't know.

Signal is a free app that cybersecurity experts consider to be one of the most secure messaging services because of its ...