While the non-avian dinosaurs are long gone, sharks are still going strong. They’ve been around longer than trees (which first appeared about 400 million years ago), longer than the rings of Saturn ...

However, new research challenges this view, revealing that the ability to produce and interpret sounds likely traces back to ...

Sharks have been around for 400 million years. Given that they have been around longer than dinosaurs, it would make sense that there would be fossils of these creatures, both massive and smaller ...

They say that the length of Megalodon has been estimated at approximately 50 feet—dwarfing modern great white sharks that grow to a maximum length of about 15 feet. While they were gone from the sea 3 ...

The Mosura fentoni, or "sea moth," is a newly discovered type of arthropod that would have lived in the deep sea more than 500 million years ago.

As a group, sharks and their cartilaginous fish relatives – including skates, rays and chimaeras – are evolutionary relics that have inhabited the Earth’s oceans for over 400 million years.

An artistic rendering of a plesiosaur, an ancient marine predator that lived over 150 million years ago. (The Perot Museum of Nature and S) Although plesiosaurs evolved from land-dwelling animals ...

Meet the 'sea moth,' a three-eyed sea creature from 500 million years ago The Mosura fentoni, or "sea moth," may have used its third, median eye to detect light and move around its environment.