Megalodon usually gets all the attention when it comes to sea monsters, but ancient oceans were full of predators just as strange and scary. Fossils tell us that long before modern sharks ruled the ...

A lost cache of 250-million-year-old fossils from Australia has rewritten part of the story of life after Earth’s worst mass extinction. Instead of a single marine amphibian species, researchers ...

For generations, Dunkleosteus terrelli, also known as Ohio’s state fossil fish, has been a familiar figure for those in the Cleveland area, regarded as one of prehistory’s great sea monsters. This ...