Share How and why ancient masons built Stonehenge has baffled historians and scientists for centuries. But researchers now believe that new analysis could support a lesser known theory about the monument’s purpose. According to archaeologists at University College London, the stone monument served another purpose beyond its practical uses as an observatory or solar calendar. Their theory, detailed in a study published in the journal Archeology International, is that Stonehenge also provided a unifying communal project for indigenous Neolithic tribal Britons in the face of newcomers from Germany and the…