The #1 abbreviation Californians wanted to know was PMO—Put Me On. ICL—I Can't Lie came in second. SAN DIEGO — Text messaging ...

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

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

Signal is a messaging app that uses end-to-end encryption to keep your messages private — not even the company that makes the ...