Why are there so many of species of coral reef fish? According to a new study, it’s because about 50 million years ago, some ...

A new species of coelacanth has been identified from a 150-year-old fossil housed at London's Natural History Museum. Former ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...

A fossil fish skull, Macropoma gombessae, that sat unnoticed in a London museum for nearly 140 years has now changed fish ...

Editor's note: All opinions, columns and letters reflect the views of the individual writer and not necessarily those of the IDS or its staffers. We’ve all seen this poster in our middle school ...

The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that the ease with which these fish can develop a biological ...

A newly discovered golden cave fish in southwestern China is giving scientists an unprecedented look at evolution in action.

A comparison of the fast-growing fish-eating Baltic herring (Slåttersill in Swedish) and slow-growing plankton-eating spring- and autumn-spawning Baltic herring. Credit: Leif Andersson/Uppsala ...

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