Learn how a fossil tooth embedded in a plesiosaur reveals a violent attack by a giant predatory fish in the Cretaceous sea.

Fossils found in Niger belong to a newly identified Spinosaurus species that had a dramatic skull crest and likely hunted ...

IFL Science: Russell Engelman, graduate student and research assistant in biology at the College of Arts and Sciences, weighed in on his recent discovery about Dunkleosteus, Cleveland's prehistoric ...