Space is big—but could life out there be even bigger? Join us as we ask just how enormous alien life can get—and what it might look like.

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Credits:

Cosmic Megafauna - Could Giant Alien Life Forms Exist?

Episode 727; June 22, 2025

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Stellardrone, "Red Giant", "Billions and Billions"

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