Every rock is a tangible trace of the earth’s past. The Story of the Earth in 25 Rocks tells the fascinating stories behind the discoveries that shook the fou

The theory of evolution unites the past, present, and future of living things. It puts humanity’s place in the universe into necessary perspective. Despite a

To many of us, the Earth’s crust is a relic of ancient, unknowable history. But to a geologist, stones are richly illustrated narratives, telling gothic tales

Today, any kid can rattle off the names of dozens of dinosaurs. But it took centuries of scientific effort—and a lot of luck—to discover and establish the d

Get a rock-solid grasp on geology Geology is the study of the earth's history as well as the physical and chemical processes that continue to shape the earth to