<p class="p1">Last week we talked about the various ways that astronomers could detect the presence of intelligent civilizations by observing technosignatures. This week we'll give you an update on the state of the search for extraterrestrials. This field has gone from a collection of pariahs to a completely legitimate field of research. What's changed?</p>

Last week we talked about the various ways that astronomers could detect the presence of intelligent civilizations by observing technosignatures. This week we'll give you an update on the state of the search for extraterrestrials. This field has gone from a collection of pariahs to a completely legitimate field of research. What's changed?

<p>Last week we talked about the various ways that astronomers could detect the presence of intelligent civilizations by observing technosignatures. This week we'll give you an update on the state of the search for extraterrestrials. This field has gone from a collection of pariahs to a completely legitimate field of research. What's changed?</p>

Ep. 612: The SETI Renaissance

This is the full live stream audio of the Astronomy Cast episodes. The first half hour is the regular episode, and the second half hour is a Q&A session with questions submitted by live viewers and email.

Science

Astronomy

This is the full live stream audio of the Astronomy Cast episodes. The first half hour is the regular episode, and the second half hour is a Q&amp;A session with questions submitted by live viewers and email.

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Ep. 612: The SETI Renaissance

Ep. 612: The SETI Renaissance