origin

Traces past and present theories of human origins and evolution and discusses fossil discoveries and their significance.

Recreation, as close as the facts would allow, of what life was like for a family more than 3 million years ago.

Presents an overview of astrobiology--the study of life in the universe, looking at the work scientists in a variety of specialized fields are doing in an attempt to discover whether there is life on other planets.

Describes how archaeologists have used a variety of methods to learn about the past and assemble a picture of prehistoric Native American life.

Traces the history of the study of human evolution through the many debates that surround popular theories and figures from the first natural philosophers to the present.

Color cartoon illustrations and text describe the development of life forms in Earth's oceans and on land from one thousand million years ago to 245 million years ago.

Traces the history of humanity's proto-human ancestors and the first known humans with maps showing global changes in climate and terrain over the years, trace routes in early human migration, and sites of important archaeological discoveries.

Details the discovery of a forty-seven-million-year-old Darwinius fossil known as Ida, and discusses what scientists have learned from studying it.