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 ...

Mozilla's Firefox OS is based on Gecko-- the same core rendering engine that its desktop and mobile Firefox web browsers use. This unified framework goes to the essence of what Firefox and Mozilla are ...

Back in 2013, when the iPhone and Android had cornered the smartphone market, a plucky new mobile operating system showed up that promised to bring a new kind of smartphone. One that was entirely ...

Mozilla has lifted the lid on the first two devices to run its forthcoming Firefox OS, making them available developer preview handsets or purchase in February. The mobiles named the Keon and the Peak ...