A Major Revision to the Story of Large Shark Evolution

As a shark tooth and fossil hunting enthusiast, I often have people ask me why I find fossils so fascinating. To me, the ...
AZ Animals on MSN

Gigantic sea creatures from past and present

For centuries, massive teeth washing ashore left people wondering what kind of monster once ruled the seas. Those teeth belonged to the megalodon, the largest shark to ever exist. In this video, ...