Firefox is a free and open source web browser—the largest one that isn't tied to a corporation. Yet there was a briefly a time when Firefox was also a smartphone operating system. Firefox OS ...

Want to take Firefox OS for a spin, but don’t want to buy one of the low-power phones that come with the operating system or take the big step of replacing the OS on your existing phone with an ...

Mozilla is planning a version of the Firefox OS for wearables, and one of the top priorities is to break down barriers among smartwatches, smart glasses and other body-hugging devices based on Apple’s ...