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 ...

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

A trade-off between tooth size and jaw mobility has restricted fish evolution, Nick Peoples at the University of California Davis, US, and colleagues report June 24 th in the open-access journal PLOS ...

Fossils over 300 million years old reveal the evolution of a tongue bite in an ancient group of deep-bodied ray-finned fishes, such as Platysomus parvulus. Experts have uncovered the earliest known ...

The deep sea, covering approximately 65% of Earth's surface, has long been considered a biological desert. In this extreme environment—particularly in the hadal zone at depths greater than 6,000 ...

What do we have in common with fish, besides being vertebrates? The types of joints we (and most vertebrates) share most likely originated from the same common ancestor. But it’s not a feature that we ...