The First Civilization to Emerge in the Galaxy
23:16
The Problem With "The Rare Earth Hypothesis"
33:12
Why We May Be Surrounded by Older Alien Civilizations
30:43
THE SIGHTS OF SPACE: A Voyage to Spectacular Alien Worlds
31:23
The Insane Engineering of James Webb Telescope
20:14
What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis
22:04
Why Black Holes Break The Universe
34:11
Bygone Visions of Cosmic Neighbors
1:08:15