All Episodes
John Michael Godier's Event Horizon — 303 episodes
JMG - KIC 8462852 Alien Megastructure Star Update 8/7/16
New Repeating Fast Radio Bursts Detected From Deep Space Featuring Shriharsh Tendulkar
JMG - The Death of Planet Earth
New Horizons NASA Flyby of Ultima Thule with Ben Pearson
JMG - Exoplanet Odyssey
Is Science Not Taking Enough Risks? With Avi Loeb
JMG - The Promise of Molecular Nanotechnology
JMG - KIC 8462852 Alien Megastructure Star Update 4/10/16
JMG - Proxima Centauri B: Our Future Home?
Double Asteroid Redirection Test (DART) and Other NASA Missions with Dr. Jim Green
Could There Be Alien Artifacts Orbiting Us? With Dr. Avi Loeb
Can We Find Intelligent Life? With Dr. Jill Tarter
Bizarre Pulsars and New Unexplained Radio Signals with Dr. Ryan S. Lynch
BREAKING The WTF Star KIC 8462852 is Dimming Again Right on Schedule featuring Gary Sacco
Breaking News on the Search for Planet Nine with Dr. Konstantin Batygin
Are We in the Middle of a New Space Race? With Matt Williams
Are We Being Watched? With Dr. Lisa Kaltenegger and Dr. Jackie Faherty
Aliens, Cosmic Strings, and the God Equation with Michio Kaku
JMG - 10 Ways Aliens Could Kill Us All
Into the Impossible with Dr. Brian Keating
9 Grouped Anomalies Appeared then Disappeared on a Star Survey in 1950 with Dr. Beatriz Villarroel
Why the Future Will Be Weird with Isaac Arthur
Why Planet 9 May Not Exist with Kevin Napier
Why Oumuamua May Have Been The First Sign of Intelligent Life with Dr. Avi Loeb
Why Does the Pope have an Observatory? W/Director of the Vatican Observatory Br. Guy Consolmagno
Why Are We Alone? Fermi Paradox Solutions With Author Trevor Williams
Where Did the Laws of the Universe Come From? With Paul Davies
What is the Source of the Wow! Signal? With Alberto Caballero
What is Planet Nine? with Harvard's Amir Siraj
What is Causing the Mysterious Dimming of Betelgeuse? with Dr. Andrea Dupree
What Would an Alien Megastructure Look Like? Ringworlds with Larry Niven and Gregory Benford
What BLC1 Could Be With Dr. Avi Loeb
What Are Odd Radio Circles? With Prof. Ray Norris
Was the WOW! Signal a Sign of Extraterrestrial Life? With Dr. Robert Dixon
Uncovering the Secrets of the Cosmic Microwave Background with Dr. Brian Keating
There is a Sea of Interstellar Objects in the Galaxy with Amir Siraj of Harvard
There Are Discrepancies in Physics with Dr. Brian Keating
The Voyager Record with Timothy Ferris
Is Oumuamua One of the Rarest Objects in the Universe? with Darryl Seligman
Is There One Rule for Our Universe? with Jonathan Gorard
Life on Venus? Phosphine found in the Clouds Featuring R.J. Graham
Looking for Technosignatures on the Moon with Dr. James Benford
The Closest Star to the Solar System: Proxima Centauri with Parallax Nick
The Arecibo Radio Telescope with Prof. Abel Mendez
Planet Nine and Alien Life with Parallax Nick
Can Humans Travel Through Wormholes? with Prof. Juan Maldacena
Our Spooky Universe with Paul Sutter
Is It Possible to Build a Time Machine? With Paul Davies
Is Interstellar Travel Possible? with Alberto Caballero
How to Communicate with Europa featuring Dr. Robert Romanofsky of NASA
Fusion and Magnetic Reconnection Propulsion with Dr. Fatima Ebrahimi
Does Venus Have Life? With Dr. Janusz Petkowski
Can We Put a Radio Telescope on the Far Side of the Moon? With Saptarshi Bandyopadhyay
Building the Giant Magellan Telescope with Dr. Rebecca Bernstein and Dr. Jim Fanson
BLC1 the Proxima Centauri SETI Candidate with Jason Wright
Are There Any Laws in Space? With Christopher Hearsey and Nathan Johnson
Aliens are Hard to Find with Prof. Sara Seager
Why Wolfram Physics May Be the Key to Everything with Stephen Wolfram and Jonathan Gorard
Why the Solar System May Be Full of Life with NASA Chief Scientist Dr. James Green
Why We Should Search the Center of the Galaxy for Alien Civilizations with Dr. Claudio Maccone
What is it like working for Fermilab? with Dr. James Annis
What Are The Chances of us Detecting an Alien Civilization? With Dr. James Annis
Was There Someone Here Before Us? And Unusual Technosignatures with Jason Wright
TOI 700 d TESS's First Earth-sized Habitable-Zone Planet w/Dr. Joey Rodriguez/Dr. Andrew Vanderburg
How Meteorites Have Affected Human Civilization with Werner Herzog and Clive Oppenheimer
Mathematical SETI with Dr. Claudio Maccone
Has Planet 9 Been Found? w/ Prof. Michael Rowan-Robinson
Is This the Most Important Century in Human History? with Author Matt Williams
How Exotic is Oumuamua? with Dr. Sergey Mashchenko
Why We Should Search the Entire Sky for Alien Civilizations with Dr. Shelley Wright
Can SETI Search Broadband Signals for Intelligent Life? With Dr. Claudio Maccone
Why We May Be the Only Intelligent Life in the Universe with David Kipping of Cool Worlds
Urban Legends From Space with Author Bob King
Should We Be Scared of Artificial Intelligence? With Jonathan Gorard and Stephen Wolfram
Do We Really Want to Solve Fermi's Paradox? with Stephen Webb
The Growing List of Solutions to the Fermi Paradox with Stephen Webb
The Mystery of Planet Nine with Robert Finch
Searches for Superluminality, Aliens, and Impossible Knowledge with Dr. Robert Nemiroff
Searching for Alien Megastructures with Dr. Jason Wright
How Many Are Out There? Estimating Intelligent Life in Our Galaxy with Dr. Chris Conselice
Have We Solved the Mystery of Fast Radio Bursts? with Shriharsh Tendulkar
Do Gamma Ray Bursts Solve the Fermi Paradox? with Dr. James Annis
Could First Contact with Aliens Be Unsettling? with Author Trevor Williams
Can We Cloak Earth? Featuring Cool World’s Prof. David Kipping
Are Stars Disappearing? With Dr. Beatriz Villarroel
Antarctica and Neutrinos with Dr. Peter Gorham
Apollo: Untold Stories of the Voyage to the Moon with Nancy Atkinson
How The Viking Lander Tested for Life on Mars with Dr. Patricia Ann Straat
Is Intelligent Life the Universe’s Rarest Phenomenon? With Dr. Graham Lau
Is Earth The Best Type of Planet For Life? With Fraser Cain
Are There Alien Artifacts in Our Solar System? with Dr. James Benford
Why Humans Will Never Colonize Mars with Gizmodo’s George Dvorsky
Was Water Vapor Discovered on an Earth Like Exoplanet? With Dr. Angelos Tsiaras
How Many Black Holes Are There in the Milky Way? With Yale’s Dr. Michael Tremmel
A Quantum Beginning for a Two-Sided Universe with Dr. Neil Turok
Looking for the Origin of our Universe with Dr. Brian Keating
Why is Betelgeuse Dimming? With Dr. Edward Guinan
Will Human Civilization End? with Dr. David Grinspoon
Cold Quasars: The Death of Galaxies with Dr. Allison Kirkpatrick
Why Pluto is a Planet with Dr. Alan Stern
Is it all just a Simulation? with Isaac Arthur
Fermi Paradox: Where are they? A Debate with Fraser Cain Moderated by Skylias
Do We Live In A Multiverse? Featuring Brian Keating
Should We Contact Alien Civilizations? With Joe Scott
The Mystery of the Wow! Signal
Plumes of Water Vapor Detected on Europa with Dr. Lucas Paganini
How Red Dwarf Stars Could Support Life Featuring Christian Ready
Why Intelligent Life in the Universe May Be Hidden with Isaac Arthur
10 Amazing Future Archeological Discoveries
Does Most Life Exist In Ice Shell Moons Like Europa? Featuring David Kipping
Unusual Laser SETI Signal Candidates Found with Benji Fields
Black Hole Dyson Spheres
Does Interstellar Panspermia Seed Life? Featuring Dr. Karen Meech
How Creativity Works with Anson Mount and Branan Edgens
The Future: Drawing From Our Past with Townsends
The Universe's Endgame with Christian Ready
Finding Solutions to the Fermi Paradox with Harvard's Dr. Avi Loeb
Why We May Have Already Found Life On Mars with Dr. Patricia Ann Straat
Where is Planet 9? with Dr. Konstantin Batygin
How Near Earth Objects Are Tracked Featuring Karen Meech
From Galileo to Isaac Newton Featuring Paul Sutter
Interstellar Comet 3i/ATLAS Update for December 10, 2025
Is Our Understanding Of The Universe Wrong? Featuring Paul Sutter
10 Reasons Why Humanity Is an Alien Civilization
Is Intelligent Life the Universe’s Rarest Phenomenon? With Dr. Graham Lau
Are Fast Radio Bursts Signs Of Intelligent Life? Featuring Dr. Avi Loeb
Will We Colonize Our Solar System? With Dr. Robert Zubrin
10 Interesting Scientific Discoveries for November 2025
The NASA Observations of Interstellar Object 3i/ATLAS
Inside the World of Shipwreck Archaeology | Dr. James Delgado
10 Unsettling Ways Humans Could Go Extinct
The Mysterious Star HD 139139 with Dr. Andrew Vanderburg
Do Galaxies with No Dark Matter Prove it Exists? Featuring Shany Danieli
Life in the 18th Century with Jon Townsend
3I/ATLAS Metal Signals: What They Really Mean | Thomas Puzia and Rohan Rahatgaonkar
3i/ATLAS Interstellar Comet Update For November 2025
The Warning Signs of AI are Getting More Frequent
Using Black Holes to Traverse the Universe with Dr. David Kipping
10 Unsettling Astronomical Incidents and Phenomena
Surviving the End of the World Featuring Dr. Travis Langley
10 Unsettling Future Technologies
What’s Hiding Under Mars | Dr. Sam Courville
Fermi Paradox: The Population Problem
10 of the Worst Extinction Events on Planet Earth
What Lies Beneath Ceres | Dr. Samuel Courville
10 Ways We Might Detect Alien Life Other Than Radio
Unsettling Ways Aliens Could Understand the Universe | Daniel Whiteson
10 Reasons Aliens Won't Invade Earth
10 Reasons Aliens Might Invade Earth
Fermi Paradox: Imperial Pragmatism
Phineas Gage's Brain and Other Oddities with Joe Scott
10 SETI Messages That We May Not Want to Receive
10 Spooky Things the Universe Does that are Invisible
The 3I/ATLAS Mystery: What Scientists Discovered
10 Unsettling Artificial Intelligence Scenarios
10 Interesting Scientific Discoveries for October 2025
The Wow! Signal with Discoverer Dr. Jerry Ehman
Is Contacting Aliens Safe? With Dr. David Grinspoon
Why Pluto is a Planet with Dr. Alan Stern
10 Bizarre Deep Space Astronomical Objects
10 Places in the Solar System Where Alien Life is Possible
The Knowledge of the First Civilizations | Dr. Irving Finkel
Are Wormholes Real? With Dr. Dejan Stojkovic
3I/ATLAS Update: What Makes It So Strange | with Prof. Darryl Seligman
Spooky Space Facts to Fall Asleep To
10 Obscure Unexplained Mysteries of the Universe
Are These the First Images of UAP in Orbit? With Dr. Beatriz Villarroel
Potential Biosignature on Mars: NASA’s Kevin Hand Explains
Is 3i/ATLAS Really a Comet? And The Metallic Asteroid Mystery
Is Planet 9 a Black Hole? With Dr. Jakub Scholtz and Dr. James Unwin
21 New Tabby's Stars with Dr. Edward Schmidt
Why There Are 10 Things You Should Know About Space With Dr. Becky Smethurst
10 Strange Moons of the Solar System
The Deepening Mystery of the Interstellar Object 3i/ATLAS and the Vera Rubin Observatory
Origins of Life: Protocells can form on Micrometeorites
Interstellar Comet 3i/Atlas Updates and Intercepting it from Mars
UFO/UAP Close Technosignatures New Information on the Palomar Transients
3I/ATLAS Update: JWST Reveals Its Composition | with Martin Cordiner
3i/ATLAS Interstellar Object Update for September 5, 2025
10 Interesting Scientific Discoveries for September of 2025
What if Non-Human Intelligent Life is Malevolent? Featuring John Gertz
3i/ATLAS Interstellar Comet Update for September 22, 2025
A Potential New Indicator of Life on Mars
3I/ATLAS and Interstellar Visitors with Avi Loeb
Direct Spacecraft Exploration of 3I ATLAS with Marshall Eubanks
Star Eaters and Earth’s Technosphere w/ Jacob Haqq Misra and Dr. George Profitiliotis
How To Reach The Stars (and Shield Mars) with David Kipping
Breakthrough UAP Discovery in Astronomy Data with Dr. Beatriz Villarroel
Breaking 3I/ATLAS News With Darryl Seligman
Could Alien Probes Already Be Here? With John Gertz
The Best Evidence Yet for Ancient Life on Mars with Dr. Steven Benner
Will We Lose Control of AI? With Dan Hendrycks
First Data on 3I/ATLAS: Fast, Massive, and From Another Star with Aster Taylor and Tessa Frincke
100 Space Facts to Fall Asleep To | John Michael Godier
JWST Found Hints of Biological Activity at K2-18b with Dr. Nikku Madhusudhan
JWST May Have Just Detected Alien Life at Exoplanet K2-18b
A Breakthrough on Measuring the Hubble Tension with Massimo Pascale
Is There a Black Hole in the Center of the Sun?
The Science and Politics of Non-Human Intelligence with Garry Nolan and Peter Skafish
Is There a Black Hole in the Center of the Sun? With Earl Bellinger
Closest We've Ever Been to the Sun Featuring Dr. Nour Raouafi
Space Facts to Fall Asleep to
CERN: Particle Smashing at Near the Speed of Light with Dr. James Beacham
The Ongoing Grand Tour of Voyager with Dr. Linda Spilker
How to use Alien Relay Probes For a Galactic Internet | with John Gertz
Do Planet Nine and Planet X Exist? With Amir Siraj
UAPs: Objects Discovered Same Day UFOs Flew Over D.C. in 1952 with Beatriz Villarroel
What a Covert U.S. Government UFO Program Discovered with Colm Kelleher
Are We About to Discover Intelligent Alien Life? With Adam Frank
The Most Unsettling Science and Science Fiction Ideas with Isaac Arthur
Is an Earth-like Planet Hiding in the Kuiper Belt? With Patryk Lykawka
Faster than Light: What Can Do It and What Can't with Dr. Robert Nemiroff
The Spooky Universe: Cosmological Time Dilation With Dr. Geraint Lewis
The Search for Interstellar Objects and Intelligent Life with Avi Loeb
Why the First Interstellar Object and Alien Technology May Have Been Found with Dr. Avi Loeb
Going Hypersonic with Lockheed Martin Engineers James Stetson, Peter Yip, and Jonathan Heinrich
SETI At the Galactic Core with Dr. Vishall Gajjar
'We Are Not Alone' UFO Whistleblowers Kickoff New Hearings in Congress With Rep. Tim Burchett
Why Won't JWST Look For Exomoons? Featuring David Kipping of Cool Worlds
New Physics From the UFO/UAP Phenomenon with Avi Loeb
Not of This Earth: Were There Unidentified Orbiting Objects in 1950? With Beatriz Villaroel
Looking For Signals From Alien Civilizations with Seth Shostak | John Michael Godier
Where Did the Downed UFOs Come From? with Harvard's Amir Siraj
The Potentially Alien Interstellar Object With Amir Siraj
Looking for Warp Drives with LIGO featuring Luke Sellers, Gianni Martire, and Alexey Bobrick
We Might Be Completely Alone in the Universe Featuring Fraser Cain
Why the Universe May Be Full of Aliens Featuring Dr. Avi Loeb
Do We Share Earth With Someone Else? With Garry Nolan
Tantalizing Clues on Europa with Dr. Natalie Wolfenbarger
Did James Webb Telescope find the Strangest Galaxy in the Universe? With Mirko Curti
Where Will We Find Intelligent Life? Near or Far with Dr. Ravi Kopparapu
Should UAP be Studied by Scientists? Fermi Paradox Solutions w/ Jacob Haqq-Misra and Thomas Fauchez
The Most Unsettling Solutions to the Fermi Paradox With Stephen Webb
Unidentified Aerial Phenomena with Avi Loeb
Astrophysicists Just Discovered a Strange Interstellar Meteor Candidate With Amir Siraj
Are We Part of a Simulation? with guest Nick Bostrom
What Do We Do if They Are Here? with Avi Loeb
Artificial Intelligence, The Fermi Paradox, and our Future with author David Brin
Why Alien Life Might be Everywhere with Dr. Steven Benner
How Far Back is the James Webb able to See? with Dr. Klaus Pontoppidan
Is Artificial Sentience Here? Discussing LamDA with Blake Lemoine
Why Congress will Hold More UAP Hearings w/ Congressman Raja Krishnamoorthi
Source of the Wow Signal Discovered? | Twin of the Sun w/ Alberto Caballero
The Highly Strange Nature of Black Holes and other Scientific Mysteries with Avi Loeb
U.S. Congress investigates UFOs | Here's Why with Rep. Tim Burchett
Are These Lurkers? w/ Beatriz Villaroel
What is the Universe Made of? w/ Daniel Whiteson
What if We’re Not Alone on Earth? W/ Janusz Petkowski
Can We Send a Probe to Oumuamua? w/ Marshall Eubanks
Artificial Green Stars? With David Kipping of Cool Worlds
Are We Wrong About the Fermi Paradox? w/ Avi Loeb
Here is Why Venus May Have Life with Dr. Janusz Petkowski
Planet 9 Possibly Found With Prof. Michael Rowan-Robinson
Have We Found Planet 9?
What If They Are Already Here? With Dr. Avi Loeb NM
Can the Universe Self-Destruct?
10 Unsettling Possibilities Regarding Alien Life
The Unnerving Origin of Technosignatures with Caleb Scharf
The Most Powerful Space Telescope Ever with Dr. Klaus Pontoppidan
How Rockets are Launched with Tory Bruno CEO of United Launch Alliance
How to Understand an Alien with Andy Weir
Is It Possible to Build a Time Machine? With Paul Davies
Why Oumuamua May Have Been The First Sign of Intelligent Life with Dr. Avi Loeb
What Would an Alien Megastructure Look Like? Ringworlds with Larry Niven and Gregory Benford
10 Spooky Possibilities of the Multiverse
Why the Solar System May Be Full of Life with NASA Chief Scientist Dr. James Green
Are There Alien Artifacts in Our Solar System? with Dr. James Benford
10 Obscure but Amazing Space Missions
Rogue Supermassive Black Holes with Yale’s Dr. Michael Tremmel
10 Obscure Solutions to the Fermi Paradox
Using Earth to See Across the Universe: The Terrascope with Dr. David Kipping
Can We Solve Fermi's Paradox? with Dr. Duncan Forgan
Are Alien Civilizations Sending Signals in Bacteria? with Dr. Robert Zubrin
Can We Save Schrödinger’s Cat? with Yale’s Dr. Zlatko Minev
10 Strange Aspects of the Moon
Can We Travel Faster Than Light? with Dr. Miguel Alcubierre
10 Mind-blowing Interstellar Propulsion Systems
The First Image of a Black Hole with Dr. Feryal Ozel
10 Alien First Contact Scenarios
10 Ways Alien Life Could be Radically Different from Earth
What Are Fast Radio Bursts? With Dr. Duncan Lorimer
10 Things About the Universe That we may Never Understand
10 Disconcerting Fermi Paradox Scenarios
Does Planet Nine Exist? Featuring Dr. Konstantin Batygin
Looking at Stars with Star Trek Voyager's Tim Russ
The Dangerous Nature of Near Earth Asteroids
The Geology of the Planets of the Solar System with Emily Lakdawalla
10 Strange Aspects of Planet Venus
The Mysterious Interstellar Object Oumuamua With Harvard's Dr. Avi Loeb
The First Image of Tabby's Star Structure Featuring Dr. David Kipping
10 Ways SETI Might Detect Alien Civilizations And What They Might Be Like
10 Unsettling Solar System Possibilities
What is the Future of Astronomy? Featuring Fraser Cain
How Does SETI Search for Alien Civilizations? With Seth Shostak
The Human Far Future With Isaac Arthur
Envisioning Our Future with Isaac Arthur
Why Dinosaurs Would Have Ruled the Earth Featuring Dr. Steve Brusatte
Do We Live In An Infinite Universe? Featuring Paul Sutter
Mars And Beyond With Dr. Robert Zubrin
How To Colonize The Moon And Mars Featuring Author of The Martian Andy Weir
Why The Universe May Be Full Of Alien Civilizations Featuring Dr. Avi Loeb
10 Unsettling Solutions to the Fermi Paradox
10 Ways Aliens Could Kill Us All