A Neanderthal infant was discovered alongside two adults, potentially representing a prehistoric family.

Neanderthal youngsters that made it to the "terrible two's" were large, sturdy and toothy, suggests a newly discovered Neanderthal infant. The child almost survived to such an age, but instead died when it was just one and a half years old.

The remains of this infant -- a lower jaw and teeth unearthed in a Belgian cave -- are the youngest Neanderthal ever found in northwest Europe, according to a study that will appear in the Journal of Human Evolution.

Since the remains of two adults were also previously discovered in the cave, the fossil collection may represent a Neanderthal family....