Each year, the Festival features 10-days of engaging events and programs, all free, for the community to enjoy and celebrate the wonders of science!
The 2026 Festival of Science will take place from Sept. 25 – October 4 and will be our 37th consecutive year!
The Festival offers a wide variety of presentations, hands-on workshops, interactive discussions, classroom talks and guided tours led by outstanding Flagstaff scientists and STEAM professionals. Festival events highlight the innovative research happening right here in Flagstaff! Events are held in a variety of venues and institutions throughout northern Arizona.



Board member, Adam Marsh, and lead paleontologist at Petrified National Forest, works with a team of scientists to uncover an approximately 300 million-year-old fossil skeleton discovered at Canyonlands National Park in Utah (June 2024)
Board member, Kathy Farretta, joins the Arizona Historical Society as the Pioneer Museum’s new Museum Manager, a position that was vacant for nearly five years. (December 2025)