The Astronomical Society of the Pacific is an international non-profit scientific and educational organization,
founded in 1889, that works to increase understanding and appreciation of astronomy.
Learn more and get involved

Join our Mailing List

Events @the ASP, ASP Insider, Learn@ASP, and AstroShop Educational Materials

ASP News

On the Inside

September 12, 2023

The ASP is seeking a dynamic and visionary Chief Executive Officer (CEO) to lead the organization into the future through inspiring leadership, innovative organizational thinking, and excellent financial management.

August 1, 2023

Thank you to all who attended ASP2023: Exploring the Art, Culture, and Science of Solar Eclipses

July 31, 2023

ASP awarded a National Science Foundation grant to fund new professional development program in preparation for the Total Solar Eclipse in 2024

View ASP News Archives

Mercury Online

Space News & Opinion

March 31, 2023

The New Issue of Mercury is LIVE

byLiz Kruesi

The newest issue of Mercury (Vol. 51 no. 3+4) is available to members, and this double issue features recent spacecraft results, tips for hosting events relating to the upcoming solar eclipses, the intertwined history of amateur astronomy and professional astronomy, news about the long-sought star catalog from ancient observer Hipparchus, and more!

March 16, 2023

Venus Hosts Active Volcanism

byLiz Kruesi

In archival spacecraft data of Venus, planetary scientists found evidence of active volcanic activity.

View Mercury Online Archives

Educational Activities

The ASP provides activities and resources to help better understand and share the wonder of astronomy as the gateway to science literacy.
Explore
AstroShop

The ASP's AstroShop offers a curated selection of the best astronomy-related educational and outreach materials available. All proceeds support the mission and programs of the ASP.
Shop
Programs

Our programs and resources further our mission to support the "intermediate communicators" - those who share the excitement of the universe with others through education and public outreach.
Discover
Events

The ASP Annual Meeting, Awards Gala, and select events and lectures, help us share our programs and resources, as well as celebrate the work of noted educators, astronomy researchers, and amateur astronomers.
Join us