DarkSky’s Global Conference – November 7-8, 2025
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Early bird registration

Sign up by September 1 for reduced-price access to Under One Sky. Your registration supports this one-of-a-kind event and expands access for participants around the world. Mark your calendar and reserve your spot today!

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Under One Sky 2025

Following the arc of night across the globe over the course of 24 hours, Under One Sky—DarkSky’s annual conference—unites a growing dark sky movement.

Join us as we share stories, explore the latest science, and unpack proven strategies through engaging virtual sessions, workshops, and keynote speakers. Whether you’re new to the mission of dark sky preservation or a lifelong Advocate, you’ll leave with new tools and connections as we work to turn the tide on the growth of light pollution to protect the night.

Inspiring speakers

Hosted by acclaimed voice actor Roger Craig Smith and featuring an opening keynote by author Lynne Peeples, the conference will kick off with inspiring and engaging voices. Our speaker lineup is still growing—check regularly for updates.

Virtual workshops

Spanning 24 hours and circling the globe, the event features workshops led by experts and leaders in the dark sky movement. Sign up for individual sessions and gain practical tools to fight light pollution in your community.

Conference resources

Browse our list of frequently asked questions and explore this year’s conference outreach kit. We’re here to answer your questions and provide the resources you need to help spread the word about this year’s conference.

A special thanks to our sponsors

Our partners play a vital role in making special events like Under One Sky possible. Thank you for your continued support and dedication to keeping our stars shining bright.

Give a gift to the night!

DarkSky relies on the generous support of our members hold these events that bring our community together and raise awareness for our shared mission. Every gift to DarkSky is a gift to the night and a step toward a star-filled future.

Give today!