Images of the Atapuerca Caves, the cave paintings at Altamira, and a Neanderthal skull found at Forbes' Quarry on Gibraltar serve to introduce kids to prehistoric sites in Spain. Designed to support a study of prehistoric Spain, the...

On this site, find answers to the exploration activity on human evolution. Questions discuss both physical traits of hominid as well as DNA evidence.

At the online companion Web site of "Evolution," the seven-episode series on PBS, piece together clues to how one of our early ancestors looked as you examine images from four significant fossil finds of Australopithecus afarensis.

Are nature's complex forms evidence of "intelligent design"? In this Evolution essay, biologist Kenneth Miller explains how the processes of evolution account for complex structures such as the human eye.

Standford University provides interesting biographical and professional information on Stephen Jay Gould and his many contributions to scientific thought, including his efforts to help people see science "As something that is important...