51:34

Is Anyone Else Out There? with Dan Werthimer

1:36:29

Alien Machine Civilizations, The End of Earth, and Our Future with Isaac Arthur

1:03:43

We May Be Looking for Martian life in the Wrong Place with Dirk Schulze-Makuch

46:27

How Does SETI Search for Alien Civilizations? With Seth Shostak

44:09

Have Older Alien Civilizations Already Settled the Galaxy? w/ Marshall Eubanks

1:19:20

Is This How Life Started? The Water Paradox with Dr. David Deamer | John Michael Godier

1:09:05

Seth Shostak on SETI (Search for Extra Terrestrial Intelligence) | Singularity University

1:11:41

The Unnerving Origin of Technosignatures with Caleb Scharf