Learn Earth Science

What do you want to learn today?



From the troposphere to the exosphere, study the atmosphere. Topics include the ozone layer, magnetosphere, and weather.

Geology Science


Geology is the study and science of Earth’s land forms. This includes how they were created, have changed over time, and how they will evolve.

Life Science


Biology works with time, disease, ecosystems, and why we are here today. It also works on different scales like individual atoms to the entire biosphere.

Earth Science Career


If you are interested in a career in environmental science, there are lots of opportunities available. Find out how diverse the field is.

Outer Space


Space is beyond Earth’s atmosphere. It applies the concepts from physics, biology, and geology to explain our planet’s origin and evolution.

Ocean Science

Water Science

Water is all around us. From oceans to freshwater lakes, this field studies everything from deep ocean water life to the flow of currents.


Milankovitch Cycle

What Are the 3 Milankovitch Cycles?

Earth revolves around the sun in a roughly circular orbit. But about every 200,000 years, its orbit becomes more eccentric because of the Milankovitch Cycle.

A Guide to the Magnetosphere

Earth’s magnetic field gives us a layer out in space called the magnetosphere. If you want to learn everything about magnetosphere, this is the complete…



Meteorologist Career

What Do Meteorologists Do?

Meteorologists partake in weather prediction. They understand atmospheric chemistry and physics and how they relate to weather and climate patterns.
Branches of Earth Science Outline

100+ Branches of Earth Science

Earth scientists need all the *sciences* to understand how the Earth works. This list of 123 branches of Earth Science is the most in-depth you’ll…
Anthropologist Career

What Do Anthropologists Do?

Even though landing an anthropologist career can be difficult some, they’ve found their skills best suited in cultural resource management and academia.
Agronomist Career

What Do Agronomists Do?

Agronomists focus on crop production and applying new technologies. An agronomist studies plant science to improve efficiency in crop production.


igneous rocks

How Volcanoes Form Igneous Rocks

Volcanoes are the foundation for igneous rocks. When volcanoes erupt, magma and lava spews out. After cooling and solidifying, they become igneous rocks.

Lahar: Flowing Mud at Volcanoes

“Lahar” is an Indonesian word for mudflow at volcanoes. Lahar flows down volcanoes as a mix of mostly water, mud and rock debris (similar to…


Mars Atmosphere Composition

Mars Atmosphere Compared to Earth

Carbon dioxide dominates Mars atmosphere. But Earth is rich in nitrogen and oxygen. Mars has a much thinner atmosphere. In fact, Earth is 100x denser.
How Far Is Moon From Earth Lunar Distance

How Far Is the Moon?

The moon is approximately 238,855 miles (384,400 km) away from the Earth. It’s such a big gap that you can almost fit all the 7…


Ocean Tides Moon Effects

What Causes Ocean Tides?

When the moon is close to Earth, its gravitational pull stretches the side it’s facing. Because oceans hold a set amount of water, levels rise…