About 360 million years ago, a huge armored fish patrolled a shallow sea that once covered what is now Cleveland. This animal, known as Dunkleosteus terrelli, has long held a place among the most ...

For nearly two decades, paleontologists thought they had Dunkleosteus terrelli figured out. This monstrous, 30-foot fish ruled Late Devonian oceans 360 million years ago. Scientists believed it used ...

There are plenty of contemporary creatures that inspire fear. For example, the northern green anaconda is the heaviest snake in the world and weighs more than a football player. Should you encounter ...

Add Yahoo as a preferred source to see more of our stories on Google. Newly described muscle anatomy (right) and overall jaw anatomy of Dunkleosteus terrelli (center), compared to a more typical ...

Popular Science: Russell Engelman, graduate student in biology at the College of Arts and Sciences, collaborated with an international team of researchers from Australia, the United Kingdom and Russia ...