Dunkleosteus used strong muscles, wide opening jaws, and hidden cartilage structures to bite large prey with speed and force.

Deep beneath Kentucky’s rolling hills, in the dark reaches of Mammoth Cave National Park, paleontologists have unearthed the ...

Picture this: vast underwater mountains hiding creatures that seem ripped from science fiction, animals that create their own ...

Few complete skeletons remain of this gentle behemoth, who was destroyed by explorers and fur traders in the Arctic.