History of the Earth · Scour

What Was The Earth Like When It Had Rings?

What Was The First Brain?

How Has Outer Space Shaped Life on Earth?

What Was The First Predator On Earth?

What Was The Earth Like 500 Million Years Ago?

What Caused The Cambrian Explosion?

How Far Back In Earth's History Could You Have Survived?

Were These The First Animals?

Why Did The Earth Totally Freeze For 100 Million Years?

What Was The First Fungus?

What Was The Earth Like 1 Billion Years Ago?

What Was The First Complex Life on Earth?

What Was The "Boring Billion" Really Like?

A Tour of Earth's Ancient Superoceans

A Tour of Earth's Ancient Supercontinents

What Was The Earth Like 2 Billion Years Ago?

Log in to enable infinite scrolling