Bone fragments from a cave in northern Spain suggest there were multiple hominin species living in western Europe around a million years ago ...

Modern humans can be recognized by their smaller facial structure when compared with Neanderthals and other hominin ancestors ...

They say the fossilised remains consist of the left cheek and upper jaw of an adult member of an extinct human species. According to the researchers who excavated the site, the bone was found at ...

and the vomer (a plough-shaped bone that, among other things, forms the septum in reptiles). "This implies that the mammalian upper jaw underwent a major structural reorganization, setting it ...

The findings challenge conventional views on upper jaw evolution. Traditionally, it was believed that mammalian jaw bones were directly inherited from reptiles. However, the results strongly ...