PTZ Pictures/Shutterstock "Little Foot" isn't just a beloved character from "The Land Before Time," it's also the name given to the fossil of a human ancestor found in a South African cave in 1994. Although critical features, like the fossil's face, could provide insights into our shared evolutionary history, for decades, those insights remained elusive. Innovative digital reconstruction tech has changed that. Now, some researchers are questioning whether the fossil may represent a previously undiscovered species. In a study published in Comptes Rendus Palevol , researchers have shared the results of the five-year digital reconstruction process. Their findings don't just offer a unique glimpse into what a pre-human ancestor like Little Foot would have looked like, they may also provide evidence of the existence of a previously unknown human ancestor.…