Discusses glaciers, oceans, volcanoes, rocks, minerals, earthquakes, and the history of the Earth.

The Pulitzer Prize-winning view of the continent, across the fortieth parallel and down through 4.6 billion years Twenty years ago, when John McPhee began his j

New technologies has given us many different ways to examine the Earth. For example, we can penetrate deep into the interior of our planet and effectively X-ray