What happened to all the megafauna? From moas to mammoths, many large animals went extinct between 50 and 10,000 years ago.

A group of New Jersey college students helped identify skeletal remains that began washing ashore at a series of local ...

Because no other parts of the skull were ever found, it was nearly impossible to positively identify the fragment ... knew for certain is that the bone dates back to the late Middle Pleistocene ...