Sometime between 5.5 and 5.6 million years ago, two shell crushers squared off in the languid currents of an ancient Florida river. The fossils they left behind, discovered by paleontologists at the ...

The alligator gar bears no relation to alligators, but with its wide, crocodilian head and razor-sharp teeth, it’s easy to ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock A newly described fossil turtle from ancient Florida appears to have survived a brutal encounter with one of ...