A new study in Proceedings of the Royal Society B reveals the surprising neurological landscape of fish brains. Harvard ...

A new study shows that fish brains often do not fill their skulls. This changes how scientists study brain evolution and raises new questions.

After decades of eluding human detection, a deep-sea fish with a transparent skull has finally been captured on camera. This remarkable creature offers fresh insights into the unique biology of ...

A partial skull of an ancient fish was found in the New Mexico desert, officials said. Getty Images/iStockphoto A “demon-toothed” sea creature with “large, well-spaced fangs” has been identified as a ...

A rare fossil fish scan reveals brain features and adaptations tied to the transition from aquatic to land animals. Researchers at Flinders University have taken a closer look inside the head of one ...