All Episodes

April 8, 2021 49 mins

K2-18 B, an earth-like planet with water vapour is spotted 111 light years away. An interstellar object christened Oumuamua flies through our solar system exhibiting characteristics never seen before in an asteroid. Scientists discover intriguing radio wave emissions coming from Proxima Centauri, the nearest star to the sun. These are just some of a growing number of observations that have scientists excited about proving the existence of alien life. Statistical probabilities support this view - the Kepler Space Telescope has identified billions of planets theoretically capable of supporting life. To meaningfully advance the science of astrobiology humanity needs to abandon the longstanding and pervasive view that we are alone in the universe. Skeptics say that given the immense age of the observable universe there should be some evidence of the existence of extraterrestrial civilizations, but instead all we hear and see is silence. These same scientists argue that the ability of a planet to make the jump from inanimate matter to life - known as abiogenesis - and then to stay alive and become intelligent - requires highly unlikely transitions. Earth and humans are special. Our existence represents an incredible fluke and the statistical probability of it happening elsewhere is all but impossible. In sum, we are alone.

Arguing for the motion is Avi Loeb, Astronomer and Professor of Science at Harvard University and a New York times bestselling author, most recently of Extraterrestrial: The First Sign of Intelligent Life Beyond Earth.

Arguing against the motion is Stephen Webb, a physicist at the University of Portsmouth, author of the best seller Where is Everybody, and presenter of the recent top ten TED Talk Where are all the Aliens

Sources: Sky News Australia, Fox 35 Orlando, KSAT 12, Business Insider, PBS Space Time, World News, CBSDFW, MoleClues TV

The host of the Munk Debates is Rudyard Griffiths - @rudyardg.  

Tweet your comments about this episode to @munkdebate or comment on our Facebook page https://www.facebook.com/munkdebates/

To sign up for a weekly email reminder for this podcast, send an email to podcast@munkdebates.com.  

To support civil and substantive debate on the big questions of the day, consider becoming a Munk Member at https://munkdebates.com/membership

Members receive access to our 10+ year library of great debates in HD video, a free Munk Debates book, newsletter and ticketing privileges at our live events.

This podcast is a project of the Munk Debates, a Canadian charitable organization dedicated to fostering civil and substantive public dialogue - https://munkdebates.com/

The Munk Debates podcast is produced by Antica, Canada’s largest private audio production company - https://www.anticaproductions.com/

 

Executive Producer: Stuart Coxe, CEO Antica Productions

Senior Producer: Christina Campbell

Editor: Kieran Lynch

Producer: Nicole Edwards

Associate Producer: Abhi Raheja

Mark as Played

Advertise With Us

Popular Podcasts

On Purpose with Jay Shetty

On Purpose with Jay Shetty

I’m Jay Shetty host of On Purpose the worlds #1 Mental Health podcast and I’m so grateful you found us. I started this podcast 5 years ago to invite you into conversations and workshops that are designed to help make you happier, healthier and more healed. I believe that when you (yes you) feel seen, heard and understood you’re able to deal with relationship struggles, work challenges and life’s ups and downs with more ease and grace. I interview experts, celebrities, thought leaders and athletes so that we can grow our mindset, build better habits and uncover a side of them we’ve never seen before. New episodes every Monday and Friday. Your support means the world to me and I don’t take it for granted — click the follow button and leave a review to help us spread the love with On Purpose. I can’t wait for you to listen to your first or 500th episode!

Las Culturistas with Matt Rogers and Bowen Yang

Las Culturistas with Matt Rogers and Bowen Yang

Ding dong! Join your culture consultants, Matt Rogers and Bowen Yang, on an unforgettable journey into the beating heart of CULTURE. Alongside sizzling special guests, they GET INTO the hottest pop-culture moments of the day and the formative cultural experiences that turned them into Culturistas. Produced by the Big Money Players Network and iHeartRadio.

Crime Junkie

Crime Junkie

Does hearing about a true crime case always leave you scouring the internet for the truth behind the story? Dive into your next mystery with Crime Junkie. Every Monday, join your host Ashley Flowers as she unravels all the details of infamous and underreported true crime cases with her best friend Brit Prawat. From cold cases to missing persons and heroes in our community who seek justice, Crime Junkie is your destination for theories and stories you won’t hear anywhere else. Whether you're a seasoned true crime enthusiast or new to the genre, you'll find yourself on the edge of your seat awaiting a new episode every Monday. If you can never get enough true crime... Congratulations, you’ve found your people. Follow to join a community of Crime Junkies! Crime Junkie is presented by audiochuck Media Company.

Music, radio and podcasts, all free. Listen online or download the iHeart App.

Connect

© 2025 iHeartMedia, Inc.