After the mass extinction of the dinosaurs 65 million years ago, mammals became the dominant terr...

In The Story of Evolution in 25 Discoveries, Donald R. Prothero explores the most fascinating bre...

In this lively and entertaining book, Donald R. Prothero explores the astonishing connections bet...

The fascinating true story of the explosion of the Mount Toba supervolcano--the Earth's largest e...

An essential reference for all researchers working on the evolution of North American mammals.

The transition from the Eocene to the Oligocene epochs was the most significant event in earth hi...

The transition from the Eocene to the Oligocene epochs, from approximately 47 to 27 million years...

UFOs. Aliens. Strange crop circles. Giant figures scratched in the desert surface along the coast...

First appearing about 40 million years ago in North America, rhinoceroses diversified into an inc...

The transition from the Eocene to the Oligocene epochs, from approximately 47 to 27 million years...

The transition from the Eocene to the Oligocene epochs was the most significant event in earth hi...

Ammonites are an extinct and charismatic lineage that persisted for over 300 million years. They ...