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Studying Earth science won't be complete without the basics of the plate tectonics which is a scientific theory explaining how the Earth's lithosphere is separated into several large plates that move...

Enter the fascinating world of fossils which serve as our link to our prehistoric past. Learn different ways a fossil can be formed and how its age can be determined using a tool called geologic time...

In this article, we'll give you an overview of stratigraphy which is a branch of geology that studies rock layers and how their order and position relate to the geological time scale.

Environments play a major role in how geological materials such as rocks and sediments are formed and transported. In this article, you'll learn about these environments that can exist on land, sea,...

Review the different types of rocks depending on how they were formed and how each rock evolves over time through a process called rock cycle.

Refresh your memory about minerals with this article that teaches all the basic stuff about the building blocks of rock--from definition and properties of a mineral to the names of the most abundant...