Erangi Heenkenda, co-lead author of the PNAS paper who received her PhD in forestry and natural resources from Purdue this month, prepares to take a sample from a frozen pupfish that will be used for ...

A study of the inner ear bones of Neanderthals shows a significant loss of diversity in their shape around 110,000 years ago, suggesting a genetic bottleneck that contributed to Neanderthals' decline.

Pre-Neanderthals once roamed Eurasia around 500,000 years to 250,000 years ago. During the end of that period, pre-Neanderthals slowly began the evolutionary process into early Neanderthals, which ...