The human hand is the product of hundreds of millions of years of evolution, beginning with lobe-finned fish in the Devonian period. Early species like Tiktaalik developed limb-like fins capable of ...

In this eye-opening talk, fish paleobiologist Lauren Sallan explains how one of Earth’s most devastating mass extinctions ...

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 ...