Why join AOS?

AOS membership connects you to an extensive network of thousands of dedicated scientists from academia, government, and nonprofit organizations, and with other individuals working across borders and disciplines.

Not a member yet?

Join AOS or renew your membership by logging into our Member Portal.

  • If you have previously created an account, your Login ID is your email address. Entering your Login ID and password will take you directly to your personal profile page.
  • If you have not previously created an account, click Create Account at the lower left to set up your profile and purchase a membership in the Society.


AOS membership benefits include:

For instructions on member access to AOS journals and the OUP book discount, see here.

Membership categories and rates

All prices listed are $USD. Please note that prior to the opening of renewal season in the fall, all memberships (except for Life Memberships) expire on December 31 of the year they are purchased, regardless of the purchase date.
 

Regular
$90
For individuals who do not choose or qualify for another membership category. A second regular membership from the same household, or family membership, is an additional $32 per year.
Pre-College/
Undergraduate
$14
Available to (1) currently enrolled pre-college or undergraduate students in any country, at any level (you will be asked to provide your institution, academic advisor, education level, and year graduation is expected) and (2) recent graduates of undergraduate programs who are between degree-seeking programs and intend to re-enter a degree program in the future. (If you have not previously been a member, you may also qualify for a student membership award!)
Graduate Student/Postdoc
$28
Available to (1) postdocs and currently enrolled graduate students in any country, at any level (you will be asked to provide your institution, academic advisor, education level, and year terminal degree is expected) and (2) recent graduates of graduate-level programs who are between degree-seeking programs and intend to re-enter a degree program in the future. (If you have not previously been a member, you may also qualify for a student membership award!)
Early Professional
$55
Available to individuals who have completed their terminal degree within the past five years.
Emeritus/Retired
$32
Available to individuals who are retired and/or have been an AOS member (including AOU or COS) for 40 years or more.
Special Countries Membership
$32
Available to individuals who are residents of countries other than the United States, Canada, Israel, Japan, Australia, New Zealand, and the following Western European countries: Iceland, Norway, Sweden, Finland, Denmark, Germany, The Netherlands, Belgium, Luxembourg, France, the United Kingdom, Ireland, Switzerland, Austria, Italy, Spain, and Portugal.
Life Membership
$2,880
Payment may be made in a one-time payment or in four installments of $720. Life memberships require no annual renewal, and the fee contributes directly to AOS’s Council-designated General Endowment Fund.
Contributing Membership
$500/yr
Contributing members are recognized annually on our website. The contribution value of the membership is tax deductible to the full extent of the law.
Gift MembershipGift memberships can be purchased for one or more individuals. Standard rates per appropriate member category will apply. To purchase a gift membership, log into the Member Portal and select Online Store.

    Ready to become an AOS Member?

    Sign up via the Member Portal