Evolution and Tree of Life

From early hominids to modern humans, see fossil records for how humans evolved.

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

Solar System
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Earth Science Branches

Earth science is a diverse field. In fact, there are 100+ branches. Find out more in this comprehensive guide to environmental science branches.

Earth Exploration
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Glaciers, mountains, deserts, forests and water - Earth is truly unique for its types of land cover. Explore our unique environments scattered across the globe.

Land Surface
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Earth's Freshwater

2.8% of Earth's water is freshwater. But most of this is glacier and groundwater. Just a tiny fraction of freshwater is in lakes, rivers and wetlands.

Freshwater
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Introducing: Our list of properties for Earth. It has everything including its spheres, tilt, age, shape, rotation and more.

Earth Properties
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Get a Sneak Peak of our Oceans

About 71% of Earth’s surface is water. Most of it is salt water in oceans. Find out more about oceans including currents, tides and the origin of water.

Oceans
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The History of the Universe

Follow us on a journey that starts with the Big Bang to the formation of stars, galaxies and eventually us.

Big Bang
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Natural Environment

This natural environment is the interaction between living and non-living things in an ecosystem. Get a better intuition on conservation and our environment.

Natural Environment
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This is a deep-dive into plate tectonics. Master how plate tectonics shape the Earth causing violent earthquakes, volcanoes and even tsunamis.

Plate Tectonics
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Natural Disasters

Natural disasters is the result from a natural Earth-occurring process. Some of the major disasters include volcanoes, earthquakes and tsunamis.

Disasters
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All planets have layers. Earth has a core, mantle and crust. The densest is at the center. Let’s dig deep into Earth’s inner layers and explore Earth's interior.

Inside Earth
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From its origin to its inevitable future, read the story of Earth. What sequence of events have unfolded for Earth to support life and for it to evolve?

Earth Timeline
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Weather has tremendous impacts for people and ecosystems on Earth. Here is a quick crash course into weather systems on Earth.

Weather
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What are the layers of Earth's atmosphere? Discover Earth's atmospheric composition, ozone layer and atmosphere layers.

Outside Earth
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Environmental Science Careers

Do you want to be an Earth scientist? Here's how to carve your own career path in environmental science.

Environmental Science Careers
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Earth’s magnetic field gives us a layer out in space called the magnetosphere. Without it, Earth would be exposed to solar and cosmic radiation.

Magnetosphere
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Climate Change

97% of scientists agree humans are causing global climate change. We're at a crossroads for climate change. Explore our climate.

Climate Change
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Here's your complete guide to the moon. From its 8 phases, influence on ocean tides and historic crash course with Earth.

The Moon
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DNA, Cells and Organisms

All living things have DNA. Like an instruction manual, DNA instructs your body how to build itself and behave. We help you get an intuition in biology.

DNA Cells
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Our sun is 99% of the total mass of the solar system. It’s so big that nearly 1300 Jupiters can fit the sun! Explore our source of heat and more.

The Sun
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Rocks, Minerals and Soils

Earth is covered with rocks. From sedimentary, to igneous and metamorphic. Explore the various types of rocks on Earth.

Rocks Minerals
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