Have you ever caught yourself wondering just what your dog is thinking when he suddenly drops to the ground and rolls around in ecstasy on his back? What about

Learn to communicate with your dog—using their language “Good reading for dog lovers and an immensely useful manual for dog owners.”—The Washington Post

In 2006, about 69 million U.S. households had pets, giving homes to around 73.9 million dogs, 90.5 million cats, and 16.6 million birds, and spending more than

A renowned biologist provides a sweeping chronicle of more than four billion years of life on Earth, shedding new light on evolutionary theory and history, sexu

Eduardo and his family live in a small town in Ecuador, not far from the Amazon rainforest. The rainforest is an important part of their lives. Each month Eduar