Explore Australia: First 4 Billion Years
Explore More

Australia's "Magnetic" Termites

Where Did We Come From?

Deadly Crocodiles Down Under

Bone Diggers

Life's Rocky Start
What is the secret link between rocks and minerals, and every living thing on Earth?

Revealing the Origins of Life

Making North America
Host Kirk Johnson explores how the continent was shaped—and how it shaped us.

Evolution Down Under
How did Australia come to be marsupial heaven?

Dual Epidemics Threaten Koalas

Gigantism & Dwarfism on Islands

Life's Little Essential
Everybody knows that water is necessary for life, at least as we know it. But just why exactly?

Australia: Strange Creatures
After a massive extinction, diverse marsupials came to dominate this isolated continent.

Australia: Monsters
Some 250 million years ago, some of the largest, most dangerous reptiles ruled this land.

Australia: Life Explodes
Fossils reveal how life's explosion in the ocean was recreated on dry land.

Australia: Awakening
Australia's ancient landscape holds clues to Earth's early history and the beginning of life.

The Extinction Enigma

Experts Debate Dinosaur Stampede

How Did Life Begin?
Harvard's Andrew Knoll discusses the deeply mysterious jump long ago from non-living to living.