Evolution has long been a topic of controversy in the United States and has been the target of laws and public policies. As part of the Origins Science Scholars series, Kenneth Miller of Brown ...

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the planet.

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so vast and unusual that they defy conventional models of planetary evolution.

1. Evolution of the idea : from Vernadsky to a science of the global environment -- 2. Life in the universe : attributes, constraints, and probabilities -- 3. Life's diversity and resilience : ...

Describes the origin of the earth, its internal structure, the formation of atmosphere and oceans, and the development of climates ...