On an expedition to Greenland in 1987, this University of Cambridge paleontologist unearthed remains of a creature from the Devonian Period (408-360 million years ago) that skulked around swamps on ...

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

Flinders University researchers have taken a revealing look inside the head of one of the first animals to crawl from the ...

Add Yahoo as a preferred source to see more of our stories on Google. Today, trees and other plants are at the mercy of animals, and so have need of an advocate like the Lorax. In the Devonian, ...

The first African fossils of Devonian tetrapods (four-legged vertebrates) show these pioneers of land living within the Antarctic circle, 360 million years ago. The first African fossils of Devonian ...

Harvestmen (Arachnida: Opiliones) are a common and widespread group, the most familiar of which are recognizable by their small, rounded bodies and long, slender legs ('daddy long-legs'). Their fossil ...

A 10-foot-long, torpedo-shaped fish lurks through murky freshwater, its body casting a shadow on the creatures below. The opened mouth reveals dagger-like fangs, some two inches long, perfect for ...

One of the best-documented evolutionary transitions is the appearance of tetrapods, the four-limbed vertebrates that now dominate the land. A large series of “fishapod” fossils have been discovered ...

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 ...