Add Yahoo as a preferred source to see more of our stories on Google. One of the distinguishing characteristics of Ohio’s indigenous American Indian Hopewell culture, which dates from around AD 1 to ...

The origins of vivid colours within the gemstone ammolite — a rare type of brightly coloured fossilised ammonite shell — are reported in research published in Scientific Reports. The colours of ...

The ammonoids, an extinct subclass of cephalopods, offer a remarkable window into the evolutionary innovations of marine life. Their coiled, chambered shells and intricate suture patterns record a ...