A slimy eel-like creature called the hagfish is the only known animal with a skull but no backbone, and is completely blind. This bizarre water-dweller is currently thought to be evolving the ability ...

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate freshwater ecosystems. The new species, Acronichthys maccognoi, shows early ...

A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed that key ...

The fossilised remains of fish which swam the oceans 350 million-years-ago are providing new insight into human evolution and the origins of tails. Scientists believe analysis of the developing, fish ...

Scientists have been studying a fish that can breathe air and 'walk' on land to find out more about evolution. It's thought that all life on Earth started in the sea but about 400 million years ago ...