Solar System

Explore the Solar System

Earth’s Timeline

Read the story of Earth

Theory of Evolution

Read the story of us

Theory of Evolution
Environmental Science Salary Pyramid

How much can you earn?

Reach for the sky

See our meteorology section

Water Science
Get a sneak peak of our oceans

Check out our water science section

Human Evolution Timeline

How did we evolve?

Human Evolution
Earth Science Branches
100+ Branches of Earth Science

The Ultimate Outline

Master our moving planet

How plate tectonics shape the Earth

Plate Tectonics
Inside Earth
A spyglass into Earth

Let’s dig deep into Earth’s inner layers

100 Earth Facts

The BIG LIST of facts about Earth

Earth Facts
History of the Universe
Before Earth

There was the Big Bang

How the universe started…

Do the moon walk

Discover everything about our moon

The Moon
Earth Science Careers
Earth Science Careers

Who ya gonna call?

Call the unsung heroes of the planet

Fantastic Fossils

A spyglass into the past

Like frozen photographs into geological time.

Earth’s Cycles

Read the story of Earth’s cycles

Earth Cycles
Rock Types

The Earth is covered with rocks

Learn about the rock cycle

Rock Types
Earth Spheres
The Spheres of Earth

Learn about Earth’s spheres

Climate Change

Become a greenhouse gas guru

The dead-obvious signs of climate change

Earth Stats
Hello World

How does Earth size up?

See our straight-up stats of Earth

Our Sun

How does our Sun size up?

Reach for the stars

Sun Stats
Forest Fire
Natural Disasters

The most lethal natural disasters

What causes them?


All you need to know about glaciers

Explore the tip of the iceberg


How’s the weather?

Explore the clouds


Maps that explain the physical world

Maps Explainer

Our solar system is 4.57 billion years old.
Explore the planets, sun and solar system like you've never before.

Solar System