Trillions of text messages are sent and received via SMS-enabled devices every day, but have you ever stopped to ask, “What is SMS, exactly?” One of the oldest forms of mobile messaging, SMS messages ...

Ever wondered why your text messages sometimes fail to send, show up pixelated or don’t appear at all on the other person’s end? It might not be your phone, but your carrier’s messaging support.

Jeff Werner is a software engineer and has been writing this column since 2007. Question: What is the difference between SMS and iMessage? Are there certain circumstances when it is better to use one ...

Beware of text messages with promises to win or a call to action! Because it is precisely messages like these that repeatedly lead to unexpected costs on your mobile phone bill. If you reply ...