Learn how an ancient fish gene was repurposed to shape the anatomy of human hands.

The paddlefish is a surreal giant, with a spatula-shaped nose that some scientists believe it uses to sense the electric fields of its prey, which it sucks up like a whale. You might not think of it ...

Research on fossilized fish from the late Devonian period, roughly 375 million years ago, details the evolution of fins as they began to transition into limbs fit for walking on land. The new study by ...

A gene responsible for the development of fins in a primitive fish also helped shape the hands, feet and wings of every land animal alive today. Researchers studying the Australian lungfish ...

Many fish species evolved parts of their fins into sharp, spiny, needle-like elements -- called fin spines -- that function to protect the fish against predators. Such spines have evolved ...