Archelon was a giant prehistoric turtle that lived during the Late Cretaceous period, around 80 to 66 million years ago. This sea turtle is the largest known turtle species to have ever existed.

With serpentine necks, flippers and a mouth full of needle-sharp teeth, plesiosaurs have captured imaginations since ...

ST. PETERSBURG, Fla.— Following a petition and agreement with the Center for Biological Diversity, the U.S. Fish and Wildlife Service today protected the Suwannee alligator snapping turtle as ...