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 ...

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 efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ancient jawed fish ancestors, according to a new study. The efficient ...

Add Yahoo as a preferred source to see more of our stories on Google. A close-up view of a fish with a muscular, hand-like fin resting on a coral reef in clear, sunlit water.© A-Z Animals The post The ...

Scientists unearthed a skull of the most primitive four-legged creature in Earth's history, which should help them better understand the evolution of fish to advanced animals that walk on land. The ...

The evolutionary history of freshwater fishes is a rich tapestry woven from both molecular and palaeontological threads. Over millions of years, diverse lineages have adapted to continental waters, ...

When we think of the fish that inhabit the deep blue sea today, it’s easy to forget that they haven’t always been there. The ocean was once a much quieter place, populated mainly by smaller creatures, ...