The Flagstaff Festival of Science is a FREE 10-day event with field trips, guided hikes, star parties, open houses, hands-on exhibits, presentations and archaeological excavations! Calendar of Events E-News Sign Up Donate Host a Program Open Houses, Field Trips, Science in the Park, Talks, After-school Workshops! Sign Up 1 Be a Classroom Presenter Excite, teach and share your knowledge. Register 1 Be a Sponsor Help the Flagstaff Festival of Science continue it's great work! Donate 1 Raj Rajkumar, Ph.D., a professor of engineering and leading expert in driverless vehicles, will roll out the 10-day festival as the keynote presenter. 7 p.m. Friday, Sept. 21, in Northern Arizona University’s Ardrey Auditorium. We Need Your Feedback! Please follow this link to take a brief survey. Take Survey FFoS Facebook PostsUnable to display Facebook posts.Show errorError: Error validating application. Application has been deleted.Type: OAuthExceptionCode: 190Please refer to our Error Message Reference.