The plesiosaur — an aquatic dinosaur once thought to exclusively reside in saltwater — is now believed to have spent much of its time in freshwater, according to a new study. The discovery is likely ...

SIOUX FALLS, S.D. (AP) -- The young sea creature never reached 5 feet, a likely victim of a volcano blast that led to its demise some 70 million years ago. Paleontologists last year braved ...

In the center of Scotland, among the highlands, a 22-mile-long, 1.6-mile-wide lake has captured the imagination of several generations of cryptozoology enthusiasts, with tales of a giant lake creature ...

Incandescent blue and black bubbles danced through the air as a mama plesiosaur and her babies swam through the bottom of the ocean on stage during the “Erth’s Prehistoric Aquarium Adventure” Sunday ...