Quick Take Cleveland’s famous sea monster, Dunkleosteus terrelli, was recently discovered to have a more typical jaw size ...

Shedding light on the strange, car-sized, armoured fish that lived 360 million years ago in what is now Cleveland. Plus: the ...

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

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order Actiniaria) ...

Scientists have finally solved the mystery behind the identity of a prehistoric sea monster. The marine reptile, which could grow to around 39 feet (12 meters) long and had heavy teeth for crushing ...

What do you do when a mysterious sea serpent is prowling warm Gulf waters? You catch it, chop it up and make it into soup. That's the lesson learned in a segment in Nashville writer Allen Sircy's new ...