Discover new clues about how our ancient relatives disappeared from time.

Thorin — nicknamed after a dwarf in J. R. R. Tolkien's "The Hobbit" — is also called the "last Neanderthal" because he may have lived as recently as 42,000 years ago.

Archaeologists have long known that humans and Neanderthals interbred, but where this took place has proven difficult to pinpoint. A new study may have solved the mystery. More than just co-existence Neanderthals and ancient humans co-existed for tens of thousands of years.