About 360 million years ago, in the shallow subtropical waters above what is now the city of Cleveland, an armor-plated fish many believed to be up to 30 feet long ruled the seas. The species ...

Long before dinosaurs walked the land a massive armored fish called Dunkleosteus dominated ancient seas Its fossilized head plates and blade like jaws have led some to describe it as a "sea monster" ...

The promise of fossils is just one of many features to Wolf Run Preserve, about 10 miles west of Oberlin. It’s named for a tributary of the Vermilion and one of the dozens of natural areas across ...