Meta controls some of the most popular messaging apps in the world, including Facebook Messenger and WhatsApp. Even though Instagram isn't a messaging-first app, it's also commonly used for that.

US government officials discussed war plans in a Signal chat, then blamed the leaks on the messaging app. But Signal and other encrypted apps are secure—as long as you use them correctly. I review ...

While internet-based messaging apps dominate today’s communication landscape, traditional SMS texting still plays an important role—especially in situations with limited connectivity or for receiving ...