The evolution of the shark is not what most people would expect. Instead of sharks evolving from a massive predator, the original creature was a small, leaf-shaped fish. This fish lacked eyes and fins ...

More than 500 specimens believed to be about 20 million years old have been unearthed in Fremont. The fossils include teeth from the biggest prehistoric shark and what appears to be an entire whale ...

An ancient shark older than forests still glides through deep oceans today. Its strange teeth, slow life cycle, and ...

Deep below sunlight, a rarely seen frilled shark reveals ancient anatomy, slow reproduction, and mysterious habits, offering ...