The oldest surviving proteins have been found in the tooth of Elasmotherium, a prehistoric rhino with one unicorn-esque horn.

The bizarre, horned skull was initially unearthed attached to a wall in a Petralona Cave in northern Greece in the 1960s and ...

But scientists are getting closer to unraveling the mystery of the Petralona skull. The ancient cranium – discovered in ...

Here’s what you’ll learn when you read this story: The oldest surviving proteins have been found in the tooth of Elasmotherium, a prehistoric rhino with one unicorn-esque horn.