All Episodes
Cool Worlds — 114 episodes · page 1 of 2
Do "Grabby Aliens" Solve The Fermi Paradox?
The Question That Keeps Me Awake At Night
The Signatures of Alien Life… or Not | Tiffany Jansen
Jupiter: Friend or Foe? | Elisa Quintana
Climate Emergency? Global Sea Ice at Anomalously Low Levels
Proxima b QandA - is Proxima b tidally locked?
Interstellar Propulsion Technologies - RANKED!
How often does life start on other worlds?
IT'S HAPPENING!! RIGHT NOW!
Why Going Faster-Than-Light Leads to Time Paradoxes
1000 Subs Thank-you + Channel Mission
JWST Reveals Exoplanets As Never Seen Before
The Odds of Life - THIS CHANGED MY MIND
How Many Planets in the Universe? | Part 2: Our Universe
Can We Engineer The Sun?
Proxima b: Transits, Habitability and How to Get There!
A Chat with "Space with Sarah"
Why I Don’t Buy The Dark Forest Hypothesis
From Wobbles to Worlds - Discovery of The Exoplanet Edge!
Some Bad News
Could A.I. Replace Scientists?
How we know that the Earth's climate is changing
The Kepler Revolutions
Did Astronomers Just Prove Dark Energy is an Illusion?
Ask Me Anything Million Subs Special
What is an Alien Megastructure?
Why Finding Earth-Sized Planets is Hard
How Game Theory Can Help Us Find Aliens
The Ambiguity Problem
Red and White Dwarfs QandA
Why Exomoons Are So Important
Can Moons Have Moons?
Can We Save Ourselves?
Earth Over The Next Billion Years
Polluted Dead Stars
The Strangest Idea in Science: Quantum Immortality
The Doomsday Argument | When Will Civilization End?
An Idea So Crazy It Might Just Work...
Shocking Result from DESI Stuns Cosmology
Project Starshot | New Research on Relativistic Light Sails
Are UFOs Legitimate Science?
Juno Explained
A Tale of Scientific Integrity
In Defense of Science
Classifying Worlds
The K2-18b Video You've Been Waiting For
The First Civilization to Emerge in the Galaxy
Could Quark Stars be the Engines of Self-Replicating Strange Matter?
Proxima Planet Hunt
The Most Mysterious Star | Prof Jason Wright
Could 3I/ATLAS Be Technological?
JWST Surveyed a Jupiter-like Exoplanet for Exomoons: Results
Why Intelligent Life May Be Impossible Around Most Stars
A Cloaking Device for Planets QandA
Could We Detect the Death Star?
An Event So Deadly it Makes Parts of the Galaxy Inhospitable
How Many Planets in the Universe? | Part 1: Our Galaxy
The First Exoplanet Claim: Captain William S Jacob
Our First Contact with Aliens Will Be Their Last Words
Einstein's (small) mistake
The “Crisis in Cosmology” EXPLAINED
Is Time an Illusion? | Prof Sean Carroll
Will We Run Out Of Lithium?
Disk Detectives
A Machine That Can Predict Exoplanets
Is Moore's Law Ending?
Why We Might Live in a "Barely Habitable" Universe
A Cloaking Device for Planets
The Dawn of Immortal Space Telescopes
The Truth About JWST Detecting Alien Life...
New Discoveries on Wormholes Are Changing Everything
Bayesian Worlds
My Thoughts on Artemis II
Exomoons and Earth Twins QandA
The Habitable Zone: Undergraduate Outreach Project
Why We Might NEVER Detect Alien Life
Discovery of a Jupiter Twin: QandA
We're Finally Unlocking the "Cosmic Shoreline"
How to Characterize Proxima b's Atmosphere
Is Messaging Aliens a Bad Idea?
Why Starship Could Transform Astronomy
How Thermodynamics Holds Back Negative Carbon Tech
What's Stopping Us From Building a Warp Drive?
Why Technological Civilizations Might Be Insanely Rare
Where are the exomoons?
The Problem With "The Rare Earth Hypothesis"
Why Finding Aliens Could Doom Humanity
Eyeball Earths
What the Hell Happened to Venus?
Discovery of a Jupiter Twin!
The Genius Who Thought Aliens Lived in the Sun
The Fate of Our Sun
The Star That Shouldn't Exist
The Ultra-Cool Dwarf: TRAPPIST-1 | Elisabeth Newton
Listening for Alien Civilizations at a Temporal "Waterhole"
Some Good News
Outlasting the Universe
The Wow! Signal After 45 Years
Does Life's Early Appearance Mean it's Easy?
How Does ChatGPT Do on a College Level Astrophysics Exam?