Slacker Astronomy stopped producing podcasts back in 2011. Despite a promise to return, that hasn’t happened yet. Older podcasts are still available though.

PBS Nova Resources

PBS Nova
Seen in more than 100 countries, NOVA is the most watched science television series in the world and the most watched documentary series on PBS. It is also one of television’s most acclaimed series, having won every major television award, most of them many times over.

The Univese Videos:

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