What Did Earth Look Like Before Life? | Documentary for Sleep

When the Mediterranean Was a Desert 4 km Below Sea Level | Sleep Documentary

A Mars-Sized World Hit Earth. This Is What Survived.

Why Earth Was Purple Before It Was Green | Sleep Documentary

What Scientists Found on the Far Side of the Moon | Sleep Documentary

The Lost Kingdom of Life That Ruled Earth Before Forests

Where Did Earth's Oxygen Come From? | Sleep Documentary

The Lost Ocean That Once Cut North America in Half

Snowball Earth: The Ice Age That Made Complex Life Possible | Documentary for Sleep

The First Forests on Earth Helped Wipe Out 75% of All Life

The Cambrian Explosion: How Life Learned to See After 3 Billion Years of Blindness

The History of Pangaea: 200 Million Years of Earth's Last Supercontinent

The Day the Ocean Turned Purple — Earth's Most Silent Apocalypse

Worse Than the Asteroid: How 96% of All Life Died in the Great Dying

What's Really at the Bottom of the Mariana Trench?

What Scientists Found Under Antarctica's Ice Sheet