You may have heard of the various prehistoric sea animals that are pure nightmare ... For much of its time, this up to 20-foot deep ocean shark looks mundane enough as sharks go, except for ...

The first animals that lived on Earth roamed the seas. The oceans were ruled by jawless, mostly spineless creatures that look alien compared with modern ocean life ... out of the sea to become ...

Two 325-million-year-old ctenacanth shark fossils discovered in Mammoth Cave shed light on ancient marine ecosystems.

Some of the wildest legends may actually be rooted in reality. Ancient people didn’t have science textbooks, just bones in ...

A massive prehistoric ... the depths of the ocean. The chilling encounter took place near the Bahamas, in collaboration with the Cape Eleuthera Institute, during a deep-sea expedition aimed ...

Since then, roughly 10,000 fossils have been discovered at the site, including a soft-bodied prehistoric ocean creature that ... of Systematic Palaeontology Sea creatures went from being soft ...

All of Earth’s creatures have the potential to slowly fossilize, making them discoverable after millions of years to be studied and entered into the annals of science. That includes those that ...