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! This year’s theme is “Harvesting Knowledge”!

The 2025 Festival of Science will take place from Sept. 19th – Sept. 28th and will be our 36th anniversary.

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.

The Flagstaff Festival of Science announces “Harvesting Knowledge,” a theme that uncovers traditional food science and its relevance for the environment, community health and cultural significance. The Festival will take place Sept. 19-28.

To launch the free, 10-day adventure, the Festival will bring featured speaker Mariah Gladstone, Piikuni (Blackfeet) and Tsalagi (Cherokee), who was raised in Northwest Montana and holds a degree in Environmental Engineering from Columbia University. Gladstone is a nationally recognized advocate for food sovereignty and sustainability. 

Gladstone delivers the W. L. Gore & Associates Keynote Presentation scheduled for 7 p.m. Friday, Sept. 19, in Northern Arizona University’s Ardrey Auditorium. In “Indigenous Food Systems Science,” Gladstone will cover the themes of time-tested sustainability, nutrition, and ecology. “This presentation will touch upon thousands of years of Indigenous place-based science as well as an examination of practical solutions rooted to the challenges of today,” says Gladstone.

“We are delighted to host Mariah Gladstone for this year’s Festival Keynote,” says Adam Marsh, President of the Board of Directors. “Her passion and enthusiasm for education, the environment, food, and Indigenous perspectives aligns perfectly with the Festival’s work in our communities and fostering an environment of belonging.” 

PARTICIPATE IN THE 2025 FESTIVAL

Are you a scientist, researcher, expert in your STEAM field, or a representative at a scientific institution? You or your business could share your research, programs, or activities with the community in this year’s Festival!

The deadline to register to host an event with this year’s Festival is May 15th!
Workshops, talks, trips, tours, videos, performances and more that highlight innovative STEAM projects are all welcome to participate in the 2025 Festival!
PRESENTER REGISTRATION