PBS
Nova: The Origins Game
This resource provides information about the origin of the universe, the earth and the organisms that live here. You will also be challenged to identify the geographic areas where origins research is taking place.
PBS
Pbs: Origins
Find out what Carl Stetter is doing to find the closet relatives to the earth's earliest life forms.
CK-12 Foundation
Ck 12: Biology: First Cells
[Free Registration/Login may be required to access all resource tools.] Describes the first cells and the evolution of photosynthesis and cellular respiration.
City University of New York
Exploring Life: The First Cells
A brief essay about older and more recent ideas on when the first cells evolved. Good coverage of different scientific theories about the origin of life.