National Cancer Institute
Part of the National Institutes of Health, they have information on the different types of cancer, treatment, prevention, living with cancer, and research.
American Cancer Society
Information on cancer, how to stay healthy, finding support and treatment, and research.
Cancer Prevention and Control
Part of the Centers for Disease Control and Prevention, they have information about prevention, statistics, and living with, through, and beyond cancer.
The Mesothelioma Group
American Childhood Cancer Society
The American Childhood Cancer Society has helped over a million children beat cancer.