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About Us

Financial Information

The Planetary Society is a 501(c)(3) non-profit organization (EIN 95-3423566) as determined by the Internal Revenue Service. We strive to be open and transparent with institutional information, so we are pleased to share our official IRS non-profit determination letter as well as our three most recent IRS 990 tax forms and audited financial statements. We are also proud to share our current strategic plan, titled Onward, for fiscal years 2014-15 through 2016-17.

Strategic Plan

Determination Letter

IRS 990

Audited Financial Statements

Donor Privacy Policy

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Essential Advocacy

Our Advocacy Program provides each Society member a voice in the process.

Funding is critical. The more we have, the more effective we can be, translating into more missions, more science, and more exploration.



Beyond The Horizon, There's More To Explore!

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