Digging On Dirt

Our planet has many different kinds of landscapes and features, from mountains and snowscapes to rocks and caves. Each has its own amazing phenomena. The Science Behind Wonders of Earth looks at some of these phenomena, explaining how and why they o...

Mountains are made of it. Buildings can be too. Read more to find out the facts on rocks.

Dark hollows form deep underground. Caves create underground rooms of discovery. Read Caves to find out the mysteries hidden inside these land forms.

Take a peek inside this easy-to-read book to discover the plants and animals that live in a cave. Excellent photos and a simple design beautifully support early readers.

Igneous rocks, sedimentary rocks, and metamorphic rocks make up the three main types of rocks. But did you know that rocks are constantly being created, destroyed, and created again? Or that rocks are changed by weather, erosion, heat, and pressure?...

Deep valleys carve through earth’s rocky surface. Canyons form new patterns in the land. Read Canyons to discover the wonder and beauty of these land forms.

Rivers wind through the earth, cutting down and eroding the soil for millions of years, creating a cavity in the ground 277 miles long, 18 miles wide, and more than a mile deep known as the Grand Canyon. Home to an astonishing variety of plants and...

Rocky peaks rise above earth’s surface. Mountains come in all shapes and sizes. Read Mountains to learn how these landforms take shape.

Mixes science and art to bring the world of geology to life, with wacky characters to explain the things that form the foundations of our planet including rocks, gems, crystals, fossils, and more