Why Intelligent Life May Be Impossible Around Most Stars

Cool Worlds September 28, 2025
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Space, astronomy, exoplanets, astroengineering and the search for extraterrestrial life & intelligence. The Cool Worlds Lab (http://coolworldslab.com), based at the Department of Astronomy, Columbia University, is a team of astronomers seeking to discover and understand alien worlds, particularly those where temperatures are cool enough for life, led by Professor David Kipping.

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Use code coolworlds at https://incogni.com/coolworlds to get an exclusive 60% off an annual Incogni plan. New research from the Cool Worlds Lab leads a shocking conclusion - most stars might be incapable of developing intelligent life.... Written & presented by Prof. David Kipping, edited by Jorge Casas. Thumbnail by Pablo Carlos Budassi https://pablocarlosbudassi.com → Support our research: https://www.coolworldslab.com/support → Get merch: https://crowdmade.com/collections/cool-worlds → Check out our podcast: www.youtube.com/@CoolWorldsPodcast PAPER: https://arxiv.org/abs/2510.01215 THANK-YOU to D. Smith, C. Bottaccini, D. Daughaday, S. Brownlee, E. West, T. Zajonc, A. De Vaal, M. Elliott, B. Daniluk, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, J. Rockett, M. Sanford, T. Donkin, A. Schoen, K. Dabrowski, J. Armstrong, B. Smith, J. Bergman, C. Macdonald, M. Hedlund, N. Corwin, K. Howard, G. Metts, R. Provost, G. Fullwood, N. De Haan, R. Williams, E. Garland, R. Lovely, D. Compos, F. Demopoulos, T. Edris, M. O'Brien, D. Lee, M. Czirr, I. Williams, B. Reese, A. Nimmerjahn, C. Seay, D. Johnson, L. Cunningham, M. Morrow, M. Campbell, B. Devermont, P. Borisoff, H. Schiff, J. Cos, C. Hansen, R. Chaffee, A. Ortiz, B. McMillan, B. Cartmell, J. Bryant, J. Obioma, M. Zeiler, S. Murray, S. Patterson, C. Kennedy, G. Le Saint, W. Ruf, A. Kochkov, B. Langley, P. Stevenson, T. Ford, A. Laroye, I. Venzor, R. Raszka, B. Gaalen, J. Alley, D. Aron, G. Thomsen, S. Shardool, A. Phan Le, N. Offor, A. Huch, J. Morrison, C. Fitzsimmons, W. Smith, A. Twyman, B. Burgess, B. Bueche, D. Hoffman, J. Murphy, J. Matters, R. Borbidge, A. Singh, S. Larter & M. Adler. MUSIC Licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], Artlist.io, via CC Attribution License (https://creativecommons.org/licenses/by/4.0/) or with permission from the artist. 0:00 Ending: Agrippa - Mikko Tarmia 2:41 Atlas - Waking Up 3:20 Hill - World of Wonder 5:11 Atlas - Waking Up 7:35 Hill - Fragile Beings 10:46 Hill - A Flickering Start 13:50 Hill - A Thin Place 18:51 Hill - Kingdom of the Skies CHAPTERS 0:00 Two Existential Puzzles 3:20 Incogni 5:11 Possible Explanations 7:05 Bayesian Modeling 9:50 Results 12:05 No Luck 13:52 Interpretation 15:17 Lies & Statistics 18:11 Final Thoughts 20:09 Outro + Credits #CoolWorlds #AlienLife #Sun