Into the Impossible With Brian Keating

Latest Episodes:

Another Alien Asteroid - Avi Loeb - #502 Jul 17, 2025

Show notes

In this episode, I sit down with Harvard astrophysicist Avi Loeb to explore his provocative new article analyzing the interstellar object 3I/ATLAS — a visitor from beyond our solar system that might not be natural. 🛰️

We dive into his recent article on Medium https://avi-loeb.medium.com/is-the-interstellar-object-3i-atlas-alien-technology-b59ccc17b2e3 and get into:

• The strange anomalies in 3I/ATLAS’s orbit, size, and speed 🌌

• How the Dark Forest Hypothesis could change the search for intelligent life 🕵️‍♂️

• Why even unlikely cosmic risks deserve serious scientific attention 🧠

• What Pascal’s Wager teaches us about ignoring possible extraterrestrial probes 🪐

💥 Plus, Avi answers 5 gripping questions designed to maximize your curiosity — from the first signs of alien tech to the biggest risks humanity faces if we stay silent.

🎧 Don’t miss this mind-expanding conversation with one of the boldest thinkers in astrophysics.

1️⃣ “Is This Alien Tech Hiding in Plain Sight?”

2️⃣ “The Dark Forest Theory Just Got Real”

3️⃣ “Avi Loeb: The Alien Probe We Can’t Ignore”

4️⃣ “3I/ATLAS: Interstellar Visitor… or Something Else?”

5️⃣ “What If They’re Watching Us? (The 3I/ATLAS Mystery)”

For those of you who don't know him, Avi is a professor of science at Harvard University, theoretical physicist, astrophysicist, and cosmologist. He is also a bestselling author and a dear friend of mine.

By the time you see this, Avi will have published his new book, Interstellar: The Search for Extraterrestrial Life and Our Future in the Stars. In it, he explains why we need to become an interstellar species to ensure our survival and lays out a plan for how we can settle among the stars.

As usual, we take some time to judge a book by its cover and discuss what went into the making of this book. We also dig into the recent Galileo Project expedition to the Pacific Ocean to retrieve spherules of the first recognized interstellar meteor, IM1, which was led by Avi, and discuss whether they found evidence of alien life.

Join this channel to get access to perks: https://www.youtube.com/channel/UCmXH_moPhfkqCk6S3b9RWuw/join

Intro (00:00)

Asteroids that are Interstellar (00:44)

On extraordinary evidence (08:13)

Does Avi have proof of alien technology (13:55)

On David Grusch and government obligations (78:01)

More on Interstellar and what it means to become an interstellar species (1:16:56)

Rapid fire audience questions (1:19:20)

Outro (1:50:57)

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Additional resources:

📚 Interstellar by Avi Loeb: https://a.co/d/gN18ylO

📺 Watch my most popular videos:

Neil Turok https://www.youtube.com/watch?v=Dt5cFLN65fI

Frank Wilczek https://youtu.be/3z8RqKMQHe0?sub_confirmation=1

Eric Weinstein vs. Stephen Wolfram https://www.youtube.com/watch?v=OI0AZ4Y4Ip4?sub_confirmation=1

Sir Roger Penrose: https://youtu.be/AMuqyAvX7Wo

Sabine Hossenfelder: https://youtu.be/g00ilS6tBvs

Avi Loeb: https://youtu.be/N9lUceHsLRw

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Celebrating 500 Episodes! Jul 14, 2025

Show notes

Please join my mailing list here 👉 https://briankeating.com/list to win a meteorite 💥

What drives someone to keep exploring the universe after a lifelong career in cosmology and 500 podcast episodes?

In this milestone episode, I finally take the mic solo to answer that and other questions—from the origin of the podcast during the pandemic to why I'm still obsessed with cosmology, teaching, and yes, even faculty meetings (sometimes). I open up about the childlike curiosity that fuels my work and share some spicy takes on academia, dark energy, and controversial theories shaking up our entire industry.

Join me for a personal, unfiltered exploration of why, after all these episodes, I’m still as fascinated as ever by the vast cosmos—and the sometimes messy world of academia that surrounds it.

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Key Takeaways:

00:00:00 The origin of Into The Impossible

00:01:49 What drives me to do what I do?

00:05:22 The search for a TOE

00:08:11 The limits of human understanding

00:10:09 Become a channel member

00:12:52 Early galactic formation and JWST

00:18:29 Eric Weinstein’s theory

00:28:02 A new cosmological model?

00:31:06 String theory and black holes

00:36:54 Entanglement and geometric unity

00:49:06 My thoughts on JWST so far

00:55:37 Impact of Trump’s cuts and the role of universities

01:03:07 My thoughts on Chile

01:05:38 The most important piece of information

01:07:34 Why Eric Weinstein?

01:10:57 Answering criticism

01:12:51 Outro

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Additional resources:

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Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.

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The Scientists Ep. 7: Galileo Founded The First Tech Unicorn Jul 13, 2025

Show notes

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In this episode, we’re diving into the untold story of one of science’s greatest icons: Galileo Galilei. You might know him as the father of modern astronomy—the man with the telescope who challenged the universe. But forget the dusty textbook legend. This episode peels back the curtain to reveal Galileo as a cunning innovator, unapologetic monopolist, and the original scientific entrepreneur.

Settle in for a journey through ambition, ingenuity, and the eternal tension between genius and fallibility. This is Galileo as you’ve never seen him before!

Key Takeaways:

00:00 Galileo: Science, Success, and Bias

05:23 Galileo's Race Against Time

07:49 Kepler's Unfulfilled Telescope Wish

11:06 Galileo: Scientist and Businessman

16:13 "Balancing Passion and Scientific Objectivity"

19:19 Technological Lock-In and Tunnel Vision

23:10 Incentives and Scientific Discoveries

24:13 "Galileo: Discovery and Intellectual Humility"

Resources:

Mario Biagioli's Books:

📚 Galileo, Courtier: The Practice of Science in the Culture of Absolutism - https://books.google.com.ph/books/about/Galileo_Courtier.html?id=P-KJeS6ocsoC&redir_esc=y

📚 Galileo's Instruments of Credit - https://books.apple.com/us/book/galileos-instruments-of-credit/id6503622255

Brian Keating's Book:

📚 Losing the Nobel Prize - http://amzn.to/2sa5UpA

The Scientists is a documentary-style podcast series hosted by astrophysicist Brian Keating. Each episode explores the untold stories behind history’s greatest minds—from Nobel laureates to visionary misfits—revealing the personal struggles, intellectual triumphs, and paradigm-shifting ideas that changed the world. Each week, I dive into the life and legacy of a legendary scientist—experimentalists, theorists, and observers alike—and uncover insights you can apply to your own work and worldview. Science didn’t appear fully formed; it was built by real people solving real problems under pressure. Their ideas still shape our future. We’ll examine not just what they discovered, but who they were—from their obsessions and honors to their most spectacular ideas, brilliant blunders, and beautifully human flaws.

New episodes weekly. Learn more at BrianKeating.com.

🎙️ Subscribe for compelling science storytelling.

📚 Listen to our companion series Into the Impossible for interviews with living legends.

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Did She Just Prove the Multiverse Is Real? (Ft Laura Mersini-Houghton) [Ep. 501] Jul 09, 2025

Show notes

What if the Big Bang wasn’t the beginning? What if our universe is just one in a vast cosmic ocean of universes, and we have the evidence to prove it?

In this episode of Into the Impossible, I’m joined by theoretical physicist Laura Mersini-Houghton to explore one of the most provocative ideas in modern cosmology: the multiverse is not only real—it’s testable. Mersini, author of Before the Big Bang, walks us through her bold predictions about the structure of the cosmos, including the mysterious cold spot in the cosmic microwave background (CMB) that she foresaw years before it was confirmed by the Planck satellite.

Together, we dissect her groundbreaking theory that our universe began as one branch of a quantum wave function stretching across a multiverse landscape. We talk quantum decoherence, cosmic scars, and how entanglement with other universes could leave measurable fingerprints in our sky. We also debate criticisms from fellow physicists and dive into what these revelations mean for the future of dark energy and cosmological theory.

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Key Takeaways:

00:00 What happened before the Big Bang?
01:56 The CMB cold spot prediction
05:16 Quantum entanglement and decoherence
11:31 Criticism and evidence for the multiverse
17:06 The wave function of the universe
20:48 The string landscape and constants of nature
23:54 The cold spot and the hemispherical anomaly
37:20 Thoughts on the recent DESI suggestions
40:46 Judging a book by its cover
47:31 The multiverse and religion
57:29 Outro

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Additional resources:

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Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.

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Timescapes Make Dark Energy Irrelevant! (ft. David Wiltshire) [Ep. 500] Jun 30, 2025

Show notes

What if everything we know about the universe’s expansion is wrong?

David Wiltshire offers a radical perspective on cosmic acceleration and dark energy, proposing that both might be illusions created by the varying passage of time in different regions of the universe.

Wiltshire challenges the foundations of modern cosmology with his innovative Timescape model.

We discuss the foundations of Einstein's theory of relativity, examining how time behaves differently in regions of high and low matter density.

Wiltshire explains how this could alter our understanding of the universe’s expansion, potentially eliminating the need for dark energy altogether.

His work revisits Mark’s Principle and its influence on cosmology, offering an alternative explanation for cosmic phenomena.

This episode will captivate anyone interested in the future of cosmological theory, the mystery of dark energy, and the complex nature of time.

Don’t miss out!

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Key Takeaways:

00:00:00 Intro
00:01:36 David Wiltshire’s model and its implications
00:02:35 Mach's Principle and its influence on relativity
00:06:28 Gravitational time dilation and its implications
00:42:16 The cosmological equivalence principle
00:42:50 The Timescape Model and its predictions
00:43:53 The role of dark energy and the cosmological constant
00:53:43 The philosophical and psychological implications of Timescape
01:09:41 Outro

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Additional resources:

➡️ Follow me on your fav platforms:

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✍️ Check out my blog: https://briankeating.com/cosmic-musings/

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Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.

Make sure to follow/subscribe so you never miss an episode!

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The Scientists Ep. 6: The Life of Hedy Lamarr Jun 25, 2025

Show notes

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This episode, hosted by Brian Keating—Chancellor’s Distinguished Professor of Physics at UC San Diego—delves into one of the most fascinating and underappreciated stories at the intersection of beauty, brilliance, and invention. Today, we step away from pure physics and astronomy to explore the remarkable life of Hedy Lamarr, an iconic Hollywood actress whose real genius lay not just on the silver screen, but at the heart of technological innovation.

Listen in as Brian Keating brings to life the legacy of a woman who changed the world—not for fame, but for the sheer joy of invention and enduring curiosity.

Key Takeaways:

00:00 Hedy Lamarr: Star and Inventor

03:30 Dual Facade: Performance and Analysis

09:04 Espionage and Escape Plan

10:35 Hedy Lamarr's Hollywood Transformation

13:59 Frequency Hopping Communication Technique

16:35 Hedy Lamarr's Overlooked Invention

22:43 Genius: Curiosity Over Credentials

24:01 "Hedy Lamarr: Beyond Hollywood"

New episodes weekly.

Learn more at BrianKeating.com.

🎙️ Subscribe for compelling science storytelling.

📚 Listen to our companion series Into the Impossible for interviews with living legends.

#science #sciencepodcast #historyofscience #nobelprizewinners #famousscientists #scientificdiscoveries #physics #chemistry #thescientistsbriankeating #intotheimpossible #sciencecommunication

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First Data from Vera Rubin Observatory Rewrites Astronomy (Starting Now) Jun 23, 2025

Show notes

In this exclusive interview, Professor Mario Jurić reveals how the Vera Rubin Observatory accidentally discovered 2,000 asteroids in just 10 hours while testing its capabilities on the distant Virgo Cluster—transforming humanity's asteroid discovery rate from 20,000 per year globally to potentially over one million annually with a single telescope. Jurić explains how VRO's revolutionary multi-messenger astronomy capabilities will detect dark matter's effects and light simultaneously, automatically slewing to capture cosmic catastrophes like black hole collisions within 30 seconds of detection. From mapping dark matter in galaxy clusters 54 million light-years away to building Earth's first comprehensive planetary defense system against asteroid impacts, this conversation explores how one observatory is about to fundamentally change both our understanding of the universe and our ability to survive in it.

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—

Key Takeaways:

00:00 Intro
03:10 Mario’s reaction to the first data
04:13 Democratizing astronomy and citizen science
06:38 Technical details and capabilities
11:28 First look: A fly-through of the Virgo Cluster
21:42 Rubin and the Lambda-CDM model
28:22 How faint a sensitivity can Rubin achieve
33:03 Asteroid discovery revolution
37:52 Challenges of data analysis
41:38 Astronomy and AI
46:34 What kinds of civilization-changing discoveries might be hiding in the data?
50:48 Outro

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Additional resources:

🔹Skyviewer App: https://skyviewer.app/

🔹First Images from NSF–DOE Vera C. Rubin Observatory: https://www.youtube.com/live/dF1g-Ru8mjM?si=Y3-lKTSjZAH_oGHl

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Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.

Make sure to follow so you never miss an episode!

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NEW Dark Energy Data Surprises Scientists (ft. Kyle Dawson) Jun 18, 2025

Show notes

Is everything we thought we knew about the universe… wrong? Is the Lambda-CDM model nearing its breaking point? Could dark energy actually be evolving?

In this episode of Into the Impossible, I’m joined by Kyle Dawson and Daniel Green to discuss the latest data from the DESI experiment. These new results are making headlines, and rightfully so, as they hold the potential to transform our understanding of the universe completely.

Kyle Dawson, a key figure in the DESI project and professor at the University of Utah, explains the findings from DESI’s second data release. Together with Daniel Green from the University of California, San Diego, we dig into how fresh observations of dark energy, baryon acoustic oscillations (BAO), and cosmic expansion are revealing cracks in the standard model. We also break down the implications of these results and talk about the possible existence of negative neutrino masses—a topic that’s been gaining a lot of attention in the cosmology community.

Don’t miss out!

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Key Takeaways:

00:00 Intro
01:09 Most surprising results of the DESI experiment
02:38 DESI’s instrumentation and data analysis
05:43 What’s lacking in the CMB?
07:17 The 4.2 sigma tension in cosmological data
10:44 Theoretical models and dark energy evolution
22:16 Neutrino mass, dark energy, and paradigm shifts
28:41 Scepticism about current cosmological models
30:22 Negative neutrino mass
40:35 Technological advancements and the future of DESI
48:15 Outro

—

Additional resources:

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—

Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.

Make sure to follow so you never miss an episode!

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The Scientists Ep. 5: Steven Weinberg’s Legacy, Religion, and Cosmology Jun 15, 2025

Show notes

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Brian Keating reflects on the life and legacy of Nobel laureate Steven Weinberg, the legendary physicist and writer whose influence shaped generations of scientists and thinkers. Driven by the regret of never having hosted Weinberg on the show before his passing, Brian takes listeners on a deeply personal journey—from his formative college years, inspired by Weinberg’s groundbreaking book "The First Three Minutes," to his thoughts on the intersection of science, meaning, and religion.

Join Brian Keating as he honors a hero, wrestles with big questions, and invites you to reflect on what truly makes life—and science—impossible to ignore.

New episodes weekly. Learn more at BrianKeating.com.

🎙️ Subscribe for compelling science storytelling.

📚 Listen to our companion series Into the Impossible for interviews with living legends.

#science #sciencepodcast #historyofscience #nobelprizewinners #famousscientists #scientificdiscoveries #physics #chemistry #thescientistsbriankeating #intotheimpossible #sciencecommunication

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Eric Weinstein's Theory of Everything Confirmed? Jun 12, 2025

Show notes

How are recent DESI experimental results challenging the traditional view of dark energy as a fixed cosmological constant? Are foundational assumptions in Einstein’s general relativity limiting progress in theoretical physics? And how do tensions in cosmological measurements, like the Hubble constant discrepancy, reflect deeper issues in physics?

In this episode, we’ll explore these fundamental questions with none other than Eric Weinstein! Eric is one of the most revered thinkers of our generation. Though not an academic physicist, he proposed a unified theory of physics in 2013, which is supposed to have the potential to explain phenomena that string theory cannot. In a lecture held live at UCSD in April 2025 at the prestigious Astrophysics and Cosmology Seminar, Eric presented an update to his groundbreaking theory. Today, we’ll discuss his fascinating theory, the future of physics and academia, and much more.

Eric is an investor, financial executive, and host of The Portal. He and his brother, Bret Weinstein, coined the term Intellectual Dark Web to refer to an informal group of pundits. Eric is a vocal critic of modern academic hierarchies and advocates for advances in scientific theory over an emphasis on experimental results. He proposed a new unified theory of physics in 2013 and has been an active member of the physics community since then.

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Key Takeaways: