Uncover the differences between rocks, minerals, and gemstones, discover how they are all formed, and explore examples from each category.

Magma is a super-hot viscous material that comprises molten and semi-molten rock that flows deep beneath the Earth’s surface.

The Richat Structure (The Eye of the Sahara) is an eroded geologic dome in Mauritania, Africa. Its birth started over 100 million years ago.

Diamonds are minerals composed of carbon that come from deep volcanic eruptions in the Earth's mantle and were formed billions of years ago.

From white sand beaches to black sand beaches, and even multicolored sand beaches - Earth has it all! Where does the sand color come from?

The Naica Cave of Crystals, home to giant selenite crystals, is one of the most fascinating, yet potentially deadly, places on Earth.