Gifts in any amount may be sent by check or credit card directly to the AAS Executive Office at the address below. If you wish to direct your contribution to a specific objective, simply indicate the fund(s) for which the gift is designated. Or contribute online:

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The AAS is qualified under the US Internal Revenue Code Section 501(c)(3) to receive contributions that are tax deductible. The American Astronomical Society's tax identification number is 21-0735173.

American Astronomical Society
1667 K Street NW, Suite 800
Washington, DC 20006
[email protected]
Phone: 202-328-2010
Fax: 202-234-2560

Endowment Giving

For those looking for a legacy investment, please stay tuned. In the meantime, you're welcome to give to the AAS Initiative Endowment Fund. Your gift will help set our perpetual endowment into motion!