Your iPhone messages could be green for two reasons: you're texting Android users, or you're not connected to Wi-Fi.

If you own an iPhone, at some point you’ve probably wondered, “Why are my texts green? Aren’t they supposed to be blue?” And then you start spiraling. Maybe your texts aren’t going through, or maybe ...

Chances are if you've ever owned or used an iPhone, you're familiar with your outgoing text messages appearing in blue bubbles. Sometimes. Other times, though, they'll show as green instead. So what's ...

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 ...