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AAS meetings are the largest and most logistically complex astronomy meetings in the world. We ask all attendees to work together to enhance the value of the meetings by keeping a few simple things in mind.

12 Apr 2018 - Meetings

The AAS has joined with other scientific and engineering societies to send a letter to President Donald Trump objecting to his January 27th executive order on visas and immigration, which will reduce US science and engineering output to the detriment of America and Americans.

31 Jan 2017 - Public Policy

At its 229th semiannual meeting last week in Grapevine, Texas, the AAS named the recipients of its 2017 prizes for outstanding achievements in research, instrument development, and education.

09 Jan 2017 - Grants and Prizes: AAS

The AAS has launched a new website,, to help prepare the country for next year’s most anticipated celestial spectacle: the first total eclipse of the Sun to touch the U.S. mainland since 1979 and the first to span the continent since 1918. And with NSF support we've unveiled a program of small grants to fund educational activities aimed at engaging the public with the eclipse.

02 Dec 2016

The advancement of the astronomical sciences requires a commitment to ethical behavior in professional activities. The AAS Code of Ethics provides ethical guidelines for AAS and Division members and affiliates as well as for others involved in professional astronomical activities.

13 Nov 2017 - Governance

Your use of this website is at your own risk. If you are dissatisfied with the site or any of the content found on it or on websites to which it linked, or if you do not agree with and consent to our terms of use, your sole and exclusive remedy is to discontinue accessing and using the site.

09 Nov 2017

AAS endeavors to keep your information confidential. We focus on using the information as part of AAS's service to you and its mission to advance and diffuse the knowledge of Astronomy and its application to human welfare.

24 May 2018 - Membership

The AAS Council has endorsed the vision statement that emerged from the inaugural Inclusive Astronomy conference in Nashville, Tennessee, in June 2015.

28 Jul 2016

Barely a month into her two-year term as AAS President, Christine Jones (Smithsonian Astrophysical Observatory) was invited to testify to the US Congress on astronomy's contributions to science, technology, and education.

13 Jul 2016 - Public Policy

The Alfred P. Sloan Foundation has awarded the AAS a grant of $450,000 to enable researchers to discover and cite scientific software, track its use and impact, and preserve it for reuse and posterity.

05 Jul 2016 - Publications