A Quick Look at Arp 299 (06-26-2017)
Arp 299 is a system where two galaxies are in the process of merging.

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--  Arp 299: Galactic Goulash

A Quick Look at R Aquarii (06-07-2017)
R Aquraii is an unusual star system located about 710 light years from Earth.

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--  R Aquarii: Watching a Volatile Stellar Relationship

A Tour of R Aquarii (06-07-2017)
In biology, "symbiosis" refers to two organisms that live close to and interact with one another. Astronomers have long studied a class of stars--called symbiotic stars--that co-exist in a similar way.

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- Related Links:
--  R Aquarii: Watching a Volatile Stellar Relationship
--  A Quick Look version of this podcast

A Quick Look at Faint Active Nuclei in Chandra Deep Field South (06-02-2017)
Scientists would like to learn about the earliest supermassive black holes in the Universe.

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--  Chandra Deep Field South : Early Black Holes May Have Grown in Fits and Spurts

A Tour of Faint Active Nuclei in Chandra Deep Field South (06-02-2017)
Astronomers have determined the Big Bang occurred about 13.8 billion years ago and have evidence from the SDSS that supermassive black holes with masses of about a billion times that of the sun existed by about 12.8 billion years ago.

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• With closed-captions (at YouTube)
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- Related Links:
--  Early Black Holes May Have Grown in Fits and Spurts
--  'A Quick Look' version of this podcast