Flagstaff Science Festival Continues This Weekend

The city marks the 25th anniversary of its designation as an International Dark Sky City.

Updated on Oct. 3, 2026 in Space

An astronomical telescope pointed toward a starry night sky above a silhouetted forest, representing Flagstaff's commitment to dark sky preservation. — Flagstaff continues its annual Science Festival this weekend, marking 25 years since the city was designated as an International Dark Sky City. AI Illustration. Upload story photo >

Live Poll

Do you support prioritizing dark sky protections in your local community?

The Flagstaff Science Festival continues through the weekend, celebrating the city's role in space exploration. This year marks 25 years since Flagstaff became the first International Dark Sky City.

Why it matters

The festival aims to connect the public with ongoing research activities while highlighting Flagstaff's long-standing commitment to light pollution reduction. The city serves as a unique model for preserving celestial views in an increasingly urbanized world.

Flagstaff maintains its status through strict limits on building light emissions and the use of orange street lights. Currently, approximately 80 percent of the United States population resides in areas where the Milky Way is not visible.

The players

Lowell Observatory

This scientific institution has operated in Flagstaff since 1894 and is responsible for the discovery of Pluto and evidence that the universe is expanding.

The details

The festival highlights the work of the Lowell Observatory, which has operated in Flagstaff since 1894 and contributed to the discovery of Pluto. Participants can observe the stars at Buffalo Park, where 12 telescopes are available for public use.

Lowell Observatory began operations in 1894.
Flagstaff was designated the first International Dark Sky City in 2001.
The Flagstaff Science Festival activities occur on October 3-4, 2026.
The festival concludes on Sunday, October 4, 2026.

The Big Picture

The Flagstaff Science Festival follows the conservation precedents set by the International Dark Sky City designation, which limits light pollution to maintain clear night skies. This approach bridges the gap between active astronomical research and local community land-use policies.

Residents and visitors can access 12 telescopes at Buffalo Park to view the night sky during the festival. The city's light control ordinances ensure these views remain accessible compared to other regions where the Milky Way is obscured.

The takeaway

Flagstaff demonstrates how scientific research and urban planning can coexist to preserve celestial visibility. Residents living in high-light-pollution areas can look to these local light-management strategies as a roadmap for improving their own night sky access.