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.

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

Meetings The AAS facilitates and strengthens the interactions among members through scientific meetings.

Explore the most popular topics on AAS Nova in 2025 — from nearby rocky planets to distant little red dots. The post Looking Back on Astronomy in 2025 with AAS Nova appeared first on AAS …

The AAS meetings are where astronomical discoveries are announced and communities are built.

The AAS membership now stands at approximately 7,700, and includes physicists, mathematicians, geologists, engineers, and others whose research interests lie within the …

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.

See the descriptions below to learn about the different types of sessions at AAS meetings and to view guidelines for how to propose each type. Note that different guidelines apply to AAS …

Dec 13, 2025 · New from AAS Nova: why quasars make bad neighbors, the most luminous fast blue optical transient, signs of solar flares, and more.

The AAS publishes the leading international journals in the disciplines of astronomy & astrophysics, heliophysics, and planetary sciences. Our highlights journal, AAS Nova, and …