Explore strikingly vibrant animals including red eyed tree frogs and blue and yellow macaws and learn why they evolved such ...

This episode details the origins of the vertebrates, which lie in the primitive fish that once swam in ancient seas. Remarkable advances allowed them to make the radical move onto land, and then take ...

Nature is full of surprises, but few are as bizarre and fascinating as the fish that can walk. Meet the mudskipper, a small ...

WASHINGTON (AP) — Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after the ...