Hundreds of millions of years ago, animals crawled out of the oceans for the first time and ventured onto dry land. The rest ...

Fossils of a new species of carnivorous fish that lurked ancient rivers have been discovered in the Canadian Arctic as per a new study. It was the research scientists at Academy of Natural Sciences in ...

A rare fossil fish scan reveals brain features and adaptations tied to the transition from aquatic to land animals.

Dunkleosteus ruled a restless Devonian ocean, where armor met innovation. Here’s how modern science is rewriting the story of ...

Scientists who famously discovered the lobe-finned fish fossil Tiktaalik roseae, a species with some of the clearest evidence of the evolutionary transition from fish to limbed animals, have described ...

NOVA: What exactly is a tetrapod? Clack: A tetrapod is an animal with four legs—you, me—or an animal whose ancestors had four legs. So I can talk about a frog, which jumps; a bird, which flies; a ...