AAS members and their families pose for a group picture at the 97th meeting, held at the Harvard College Observatory, Smithsonian Astrophysical Observatory in Cambridge, Massachusetts.

The American Astronomical Society (AAS, sometimes spoken as "double-A-S" [citation needed]) is an American society of professional astronomers and other interested individuals, …

The American Astronomical Society (AAS), established in 1899, is a major international organization of professional astronomers, astronomy educators, and amateur astronomers.

Jan 4, 2026 · The 247th AAS meeting (joint with the Historical Astronomy Division) will be held 4-8 January in Phoenix, Arizona at the Phoenix Convention Center. Join us in the exhibit hall at …

The American Astronomical Society is a major international organization of professional astronomers, astronomy educators, and amateur astronomers. The AAS was established in …

To foster and recognize excellence in astronomy, the AAS presents honors, awards, and prizes for outstanding contributions to astronomical research, instrumentation, writing, and service.

The American Astronomical Society (AAS) is the major organization of professional astronomers in North America. The mission of the AAS is to enhance and share humanity's scientific …

2 days ago · The American Astronomical Society is honoring 23 members for extraordinary achievement and service by naming them AAS Fellows. Congratulations to the Class of 2026!

Upcoming AAS Meetings where scientists share all the big discoveries in the field are announced there. No upcoming meetings. Learn more.

Community owned and managed, the American Astronomical Society (AAS) journals publish trusted peer-reviewed research from a highly diverse and international network of your peers.