A guide to extinctions and their many causes and impacts.

ONE OF THE NEW YORK TIMES BOOK REVIEW'S 10 BEST BOOKS OF THE YEAR A major book about the future of the world, blending intellectual and natural history and fiel

Some 250 million years ago, the earth suffered the greatest biological crisis in its history. Around 95 percent of all living species died out—a global catast

One of Vox’s Most Important Books of the Decade New York Times Editors' Choice 2017 Forbes Top 10 Best Environment, Climate, and Conservation Book of 2017 As

In 1980 Nobel Laureate Luis Alvarez announced his theory of the dinosaurs final demise: a gigantic meteorite crashed into the earth and raised a cloud of dust t