Seasons & Episodes
Origins
For the first time ever, scientists believe they have gathered substantial evidence that points to a single animal group
Life on the Move
When we think of animals, we think of movement. Surprisingly, the diverse and graceful ballet of animal movement may hav
The First Hunter
The best way to find food is to go out and hunt for it. But to hunt, you need to be able to move forward. And to move fo
The Conquerors
For hundreds of millions of years, animal life resided only in the oceans. And then about 400 million years ago, fossil
Survival Game
Behind the beautiful shapes and colors of seashells is the story of how a group of animals called molluscs evolved in or
Ultimate Animal
It's easy to believe that animals like us, creatures with heads, eyes, and brains, are the crowning achievement of evolu
Explosion of Life
In the 4.5 billion year history of Earth, a mere 10 million years seems rather insignificant, the equivalent of two mont
Bones, Brawn and Brains
As we go through our lives — driving cars, exploring the Internet, studying the world around us — it is hard to imag
