We rank the astronomical observatories with the highest impact in astronomy based on the citation analysis of papers published in 2006. We also present a description of the methodology we use to derive this ranking. The current ranking is led by SDSS followed by Swift and Hubble.

In 1995 the AAS Astronomy Education Policy Board organized a series of discussions leading to this report, intended to enable the astronomical community to shape graduate programs which are responsive to the needs of students, the discipline, and the society which supports us.

A symposium to honor the late pioneer. This event celebrated her life and science through short talks from her colleagues and collaborators as well as researchers who have benefited from her trailblazing and scientific insights.

The Satellite Constellations 1 (SATCON1) workshop was held virtually 29 June to 2 July 2020. The workshop report concludes that the effects of satellite constellations on astronomical research and on the human experience of the night sky range from “negligible” to “extreme.”

The ADS team has written a detailed tutorial on some of the ADS’ more powerful commands and features. Dozens of examples are provided to kick your ADS skills up a notch.