Under One Sky 2025 has concluded. We’re grateful to everyone who participated and helped make this year’s conference a success.
Check back soon for updates on next year’s event!
Under One Sky, DarkSky International’s global conference, is a one-of-a-kind event focused on advancing solutions to protect the night through education, advocacy, and conservation.
Join us for a journey of scientific discovery, inspiring global story sessions, and solution-focused workshops led by subject-matter experts and Advocates. While light pollution continues to grow, so does our movement of dedicated voices driving change in communities worldwide. From exploring the wonders of the night to sharing innovative policy solutions and conservation strategies, Under One Sky will equip you with the insights and tools to make a difference.
Follow the arc of one night…
Credit: NASA’s Scientific Visualization Studio
24 hours of stories and solutions
Following the arc of one night, Under One Sky unfolds over a 24-hour period, featuring sessions and workshops timed for every region and led by a global community of experts and advocates.
With workshops and discussions spanning every time zone, Under One Sky brings you powerful stories from DarkSky advocates driving real change—from installing dark sky-friendly lighting in Wales, expanding astrotourism across Africa, to driving New Zealand’s bold mission to become a DarkSky Nation. Wherever you are, join a session that fits your schedule—or embrace your inner night owl and stay with us all night long!
Inspiring speakers & facilitators
Explore the growing lineup of speakers and facilitators, including a keynote by author Lynne Peeples during our global open hosted by renowned voice actor Roger Craig Smith.
Solution-focused workshops
Discover workshops and regional story sessions offered throughout this 24-hour conference. View the schedule and curate your own experience by joining the sessions that speak to you.
FAQ & conference resources
Learn more about conference logistics through our FAQ and find resources, including the UOS 2025 outreach kit and shareable assets. Help us spread the word!
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.
