This guide explains what is meant by the term "citizen science." It provides links to citizen science directories and other resources that can be used to find citizen science projects. It lists specific citizen science projects in the biological sciences, including bioinformatics/genomics, organismal (plant and animal) biology, cancer research, exobiology, and paleontology. Lastly, it provides links to tools (e.g., mobile apps) and resources for citizen science, as well as further reading.
While this guide focuses mostly on citizen science projects in the U.S., several resources from around the world are also included. This guide also focuses on citizen science projects in the biological sciences. For resources in other areas of science, see the page entitled, How to Find Citizen Science Projects.