
Your donation to DarkSky International supports education, outreach, advocacy, and so much more.

DarkSky members are a part of a growing global community, passionate about protecting the night.
A monthly gift helps us plan and budget more effectively, making it possible to create lasting impacts. It also saves you time and hassle. Your support means so much to us, and our Nighthawks truly make every dollar count.
Join the Nighthawk Monthly Giving Club today and help protect dark skies all year long.


The Constellation Circle is a group of dedicated individuals and organizations who commit to making an annual gift of $1,000 or more. If you would like more information about the Constellation Circle, contact Sarah Martin.
Prefer to pay by check? You can mail it to:
DarkSky
5049 E. Broadway Blvd #105
Tucson, AZ 85711 U.S.A.
Purchase a gift membership on behalf of a friend or family member to welcome them into our community and share the importance of protecting the night. It’s a meaningful way to introduce them to our mission or celebrate their love for dark skies.
Honor someone special, living or remembered, with a one-time commemorative or memorial donation. Celebrate their connection to the night by making a tribute gift today, helping to protect dark skies for generations to come.
DarkSky’s planned giving program provides the means for you to sustain the programs and projects that are critical to our success. By joining the Dark Sky Defender Society you will ensure that the dream lives on.
DarkSky accepts gifts of stock. For information please contact [email protected].
Individuals aged 70.5 and older can distribute funds from their IRAs to DarkSky and other charities without counting the distribution as income. For more information please check with your bank or financial advisor, or contact [email protected].
Many employers match donations—some even double or triple your gift, including those from spouses or retirees. Check your company’s intranet or ask HR if they offer a matching gift program. If so, request a matching gift form and send the completed form to: [email protected].
We offer a variety of partnership opportunities, including event and program sponsorships throughout the year. To learn how you or your company can support DarkSky while gaining recognition and visibility with a global audience, contact: [email protected].
Your membership contribution is tax-deductible in the United States, as allowed by law. DarkSky is a tax exempt 501(c)(3) organization, registered in the state of Arizona. Our EIN is 74-2493011.
DarkSky is committed to financial transparency and ensuring your support has real impact—protecting night skies, ecosystems, wildlife, and the planet. Learn more on our DarkSky financial reporting page.
DarkSky does not share our members’ personal information outside of the organization for any reason without your explicit permission. If there is a DarkSky chapter in your area, a qualified chapter leader may contact you about local activities and volunteer opportunities. For more info, read our Privacy policy.
If you have any questions about membership or donations that aren’t covered here or the FAQ, please contact us.
Monthly sustaining and annual gifts renew automatically and your membership will remain active until you cancel. One-time donation provide membership for one year.
Yes, by using the Monthly sustaining membership form.
To update your credit card information, log in to our support portal on EveryAction. Make sure to use the same email address you used when making your donation.
You can update your email address through the EveryAction support portal. If you need additional assistance, please reach out to our team at [email protected].
Mailing preferences can also be changed in the EveryAction suppor portal. For additional support or questions, please reach out to our team at [email protected].
Email preferences can also be changed in the EveryAction suppor portal. For additional support or questions, please reach out to our team at [email protected].