Astronomy Cast is an educational nonprofit podcast discussing various topics in the field of astronomy. The specific subject matter of each episode shifts from week to week, ranging from planets and stars to cosmology and mythbusting.
The show is co-hosted by the editor of the space and astronomy news site Universe Today Fraser Cain and Southern Illinois University Edwardsville astronomy professor Dr. Pamela L. Gay and premiered on September 10, 2006.
Each show usually has a length of approximately 30 minutes and all shows, past and present, are accessible for download through the Astronomy Cast archive.The Astronomy Cast official website also hosts the blog Astronomy Cast LIVE, which covers select astronomy meetings using various bloggers, including Fraser Cain, Dr. Pamela L. Gay, and Phil Plait as well as recent astronomy-related news and events.
A public forum, the Astronomy Cast Forum, where registered members and site visitors may share and exchange valuable information can also be found on the website and is created under Bad Astronomer and Universe Today Forum.This podcast has been continuously featured by iTunes in the Science & Medicine section for its high popularity as well as its excellent listener rating of 5 out of 5 possible stars and is currently ranked #6 in the Natural Sciences podcasts category. The renown of this series has grown rapidly in the past few months and the total number of its listeners stands around 30,000.