Science

Travel deep inside the Earth to discover how rocks and minerals are formed, to learn about the three types of rock, and to understand how rocks change over time through weathering and erosion. See the entire rock cycle and learn how geologists determine the properties of rocks. Learn about the structure and composition of minerals.

Which world-famous rock came from outer space? Why were rubies once known as bloodstones?

ROCK & MINERAL shatters the stone's reputation for "rock-solid" permanence. Discover how rocks keep a constantly changing record of our planet's fascinating history, and see how minerals are at the very core of our civilization.