We Thought Black Holes Created Event Horizons. It Might Be the Opposite

June 18th, 2026

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Don’t panic, but it’s possible that an event horizon is forming right behind you right now. Don’t bother looking—you won’t see it. You won’t know that it’s growing to envelop you until it’s way too late. And it definitely won’t look like the classic picture of a black hole that you’re probably familiar with.

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Hosted by Matt O’Dowd
Written by Richard Dyer & Matt O’Dowd
Post Production by Leonardo Scholzer
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producer: Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: Mike Martin

Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2026 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

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jim bartosh
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John Mieras USN Ret
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Junaid Ali
Justin Zheng
Kacper Cieśla
Kent Durham
Koen Wilde
Kurtis Kemple
Kyle Atkinson
Lori Ferris
Marcelo Garcia
Marion Lang
Mark Daniel Cohen
Mark Delagasse
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Matthew Johnson
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Michael Lev
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Michael Spallino
Mikk Mihkel Nurges
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Onemind
Paul Wood
Reuben Brewer
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Robert DeChellis
Ross Kennedy
Ross Story
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Sandhya Devi
Sean Owen
Shane Calimlim
Terje Vold
Terrance Cennon
Thomas Dougherty
Tybie Fitzhugh
WILLIAM HAY III
Zac Sweers

Posted in Physics |

We’ve Been Looking for Aliens for 70 Years. We’ve Been Doing It Wrong All Along

June 4th, 2026

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We’ve been looking for messages from the stars ever since Frank Drake pointed the Green Bank radio telescope at Tau Ceti and Epsilon Eridany 65 years ago. He saw nothing that couldn’t be explained by natural causes. Nor have the much more extensive SETI surveys conducted since. So, maybe there are no alien signals to see. Or maybe we need to update how we search for them. We have, after all, learned an awful lot since 1960—both about the galaxy and about observing the galaxy.

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Hosted by Matt O’Dowd
Written by Matt O’Dowd
Post Production by Leonardo Scholzer
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producer: Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: Mike Martin

Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2026 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

Space Time Was Made Possible In Part By:

Big Bang
Alexander Tamas
Filip Rolenec
Juan Benet
Kenneth See
Mark Rosenthal
Matthew Ocko
Morgan Hough
Peter Barrett
Vinnie Falco
Daniel Muzquiz

Quasar
Ethan Cohen
Glenn Sugden
Grace Biaelcki
Justin Lloyd
Mark Heising
Rad Antonov
Shaun Williams
Stephen Wilcox
Tristan Lucian Claudius Aurelius Tyacke

Hypernova
Alex Kern
Ben Delo
Chuck Zegar
Dean Galvin
Donal Botkin
Gregory Forfa
Jeff White
John R. Slavik
Massimiliano Pala
PAUL C PEDERSEN
Scott Gorlick
Scott Gray
Spencer Jones
Vlad Shipulin
Zachary Haberman
Антон Кочков

Gamma Ray Burst
Alex Gan
aaron pinto
Almog Cohen
Anthony Leon
Arko Provo Mukherjee
Ayden Miller
Bradley Jenkins
Bradley Ulis
Brandon Lattin
Brian Cook
Chris Liao
Christopher Wade
Chuck Lukaszewski
Collin Dutrow
Craig Falls
Craig Stonaha
Dan Warren
Daniel Donahue
Daniel Jennings
Darrell Stewart
David Giltinan
David Johnston
Doyle Vann
Eric Kiebler
Eric Raschke
Eric Schrenker
Faraz Khan
Frederic Simon
gmmiddleton
Harsh Khandhadia
Isaac Suttell
James Trimmier
Jason Bowen
Jeb Campbell
Jeff Harris
Jeremy Soller
Jerry Thomas
jim bartosh
John Anderson
John De Witt
John Funai
John H. Austin, Jr.
Joseph Salomone
Junaid Ali
Kacper Cieśla
Kane Holbrook
Kent Durham
Koen Wilde
Kyle Atkinson
Lori Ferris
Marcelo Garcia
Marion Lang
Mark Daniel Cohen
Mark Delagasse
Matt Kaprocki
Matt Quinn
Matthew Johnson
Michael Barton
Michael Clark
Michael Lev
Michael Purcell
Mikk Mihkel Nurges
Nick Hoffenstoffer III
Nicolas Katsantonis
Onemind
Param Saxena
Paul Wood
Rad Antonov
Reuben Brewer
Richard Steenbergen
Robert DeChellis
Ross Kennedy
Ross Story
Russell Moore
SamSword
Sandhya Devi
Sean Owen
Shane Calimlim
SilentGnome
Terje Vold
Thomas Dougherty
Todd J Lerner
Tybie Fitzhugh
Zac Sweers

Posted in Physics |

We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang.

May 21st, 2026

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For a while back there we might be able to avoid the black hole. They’d been lurking as shadows in our theories of gravity forever. Enough mass crammed into a small enough space would lead to a gravitational field at the surface from which not even light could escape from a surrounding surface that we call the event horizon. The event horizon generates paradoxes that worry physicists, and the singularity of infinite density within the black hole worries them even more. And so many brave physicists have fought for centuries to prove that these monsters don’t exist. They hoped nature would step in to save us from the theoretical horror of ultimate gravitational collapse. One of our final hopes is the Planck star—a ball of energy at the heart of the black hole like frozen shards of the Big Bang. Let’s hope they’re real, for physics’ sake.

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Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2026 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

Space Time Was Made Possible In Part By:

Big Bang
Alexander Tamas
Filip Rolenec
Juan Benet
Kenneth See
Mark Rosenthal
Matthew Ocko
Morgan Hough
Peter Barrett
Vinnie Falco
Daniel Muzquiz

Quasar
Ethan Cohen
Glenn Sugden
Grace Biaelcki
Justin Lloyd
Mark Heising
Rad Antonov
Shaun Williams
Stephen Wilcox
Tristan Lucian Claudius Aurelius Tyacke

Posted in Physics |

These Galaxies Appear Older Than the Universe. That’s Not Possible.

April 30th, 2026

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The James Webb Space Telescope found galaxies that are too ancient-looking for our young universe. You may have heard that, but it keeps finding them, and our recent efforts to solve this conundrum point in wildly different directions. Have we found galaxies older than the universe, or did we just learn something incredible about how galaxies form?

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Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2026 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

Space Time Was Made Possible In Part By:

Big Bang
Adam Van Winkle
Alexander Tamas
David Paryente
Juan Benet
Kenneth See
Mark Rosenthal
Morgan Hough
Peter Barrett
Vinnie Falco

Supernova
Ethan Cohen
Glenn Sugden
Grace Biaelcki
Justin Lloyd
Mark Heising
Stephen Wilcox
Tristan Lucian Claudius Aurelius Tyacke

Hypernova
Alex Kern
Ben Delo
Cal Stephens
chuck zegar
Dean Galvin
Donal Botkin
drollere
Gregory Forfa
jeff white
John R. Slavik
Massimiliano Pala
Mike Purvis
PAUL C PEDERSEN
Santiago
Scott Gorlick
Scott Gray
Spencer Jones
Stephen Saslow
Zachary Haberman
Антон Кочков
Daniel Muzquiz

Posted in Physics |

Earth’s Core Should Be Impossible. A New State of Matter Explains It.

April 16th, 2026

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Is Earth’s core a solid or a liquid? Yes. The mysteries of our own planet’s interior have, in many ways, been harder to crack than those of the rest of the cosmos. We can send probes to the edge of the solar system, and the 42 billion light years to the cosmic horizon are largely transparent—a big enough telescope can see the most distant galaxy. But the 6400km to Earth’s center are both opaque to light and far beyond the reach of any conceivable drill. The best we can do for most of our planetary depths is to listen to the faint rumblings of distant earthquakes and then try to piece together how those seismic waves bounce around the interior.

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Hosted by Matt O’Dowd
Written by: Richard Dyer & Matt O’Dowd
Post Production by Leonardo Scholzer
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producer: Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: Mike Martin

Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2026 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

Space Time Was Made Possible In Part By:

Big Bang

Adam Van Winkle
Alexander Tamas
David Paryente
Juan Benet
Kenneth See
Mark Rosenthal
Morgan Hough
Peter Barrett
Vinnie Falco

Supernova
Ethan Cohen
Glenn Sugden
Grace Biaelcki
Justin Lloyd
Mark Heising
Stephen Wilcox
Tristan Lucian Claudius Aurelius Tyacke

Posted in Physics |

The Most Concerning 27 Minutes You’ll Hear Today

April 10th, 2026

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I worked at Tesla starting from 2017 thru 2021. I spent most of my time in the distribution and supply chain organizations in leadership positions.

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Posted in Computers and Technology |

The Time Travel Paradox Hidden Inside Einstein’s Relativity

April 2nd, 2026

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Kurt Gödel discovered a solution to General Relativity that allows time travel without any exotic physics, revealing that the theory doesn’t actually guarantee a consistent chain of cause and effect . His “Gödel universe” shows that under certain conditions, the structure of spacetime itself can loop back on itself—blurring the line between past and future and exposing a deep limitation in our understanding of reality.

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Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2026 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

Space Time Was Made Possible In Part By:

Big Bang

Adam Van Winkle
Alexander Tamas
David Paryente
Juan Benet
Kenneth See
Mark Rosenthal
Morgan Hough
Peter Barrett
Vinnie Falco

Supernova
Ethan Cohen
Glenn Sugden
Grace Biaelcki
Justin Lloyd
Mark Heising
Stephen Wilcox
Tristan Lucian Claudius Aurelius Tyacke

Posted in Physics |

Martian Soil Is Deadly. And That’s Why It Might Support Life.

March 19th, 2026

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The tardigrade—capable of surviving extreme drying, freezing, heat, radiation, the vacuum of space, maybe even the asteroid impact. Who knows, maybe some have hitchhiked on impact ejecta to Mars. And according to a new study, the tardigrade can survive most of the ravages of the Martian surface. Most. When the researchers added a chemical that’s both abundant on Mars and horrifically toxic, even the tardigrade wound down. So if Earth’s most intrepid extremophile can’t handle the hostility of the red planet, can anything? Maybe, yes, even today. Let’s see where Martian life and tardigrade astronauts may still be hiding.
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End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

Space Time Was Made Possible In Part By:

Big Bang

Adam Van Winkle
Alexander Tamas
David Paryente
Juan Benet
Kenneth See
Mark Rosenthal
Morgan Hough
Peter Barrett
Vinnie Falco

Supernova
Ethan Cohen
Glenn Sugden
Grace Biaelcki
Justin Lloyd
Mark Heising
Stephen Wilcox
Tristan Lucian Claudius Aurelius Tyacke

Posted in Physics |

The Particle That Could Open a Portal to the Dark Universe

March 5th, 2026

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Some people worried that the large hadron collider would smash particles together so hard it would make black holes that would swallow the earth, open wormholes to other dimensions. It didn’t and won’t. But it may be making a different kind of portal. A portal to the dark sector. This isn’t the Rather, it’s a hypothetical family of elementary particles that exists in parallel to the familiar particles of the standard model, but are invisible to it. Invisible to us, and so could be the answer to the dark matter conundrum. And what is this portal? It’s the particle that the LHC was built to find in the first place – the Higgs boson.

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End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

Space Time Was Made Possible In Part By:

Big Bang

Adam Van Winkle
Alexander Tamas
David Paryente
Juan Benet
Kenneth See
Mark Rosenthal
Morgan Hough
Peter Barrett
Vinnie Falco

Supernova
Ethan Cohen
Glenn Sugden
Grace Biaelcki
Justin Lloyd
Mark Heising
Stephen Wilcox
Tristan Lucian Claudius Aurelius Tyacke

Hypernova

Alex Kern
Ben Delo
Cal Stephens
chuck zegar
Dean Galvin
Donal Botkin
drollere
Gregory Forfa
jeff white
John R. Slavik
Massimiliano Pala
Mike Purvis
PAUL C PEDERSEN
Santiago
Scott Gorlick
Scott Gray
Spencer Jones
Stephen Saslow
Zachary Haberman
Антон Кочков
Daniel Muzquiz

Posted in Physics |

The Spanish Conquest of New Mexico: Uncensored – Historical Documentary

March 3rd, 2026

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The Spanish Conquest of New Mexico was not just a clash of empires — it was a brutal frontier experiment that stretched from central Mexico to the plains of modern-day Kansas. In this cinematic historical documentary, we follow the path first opened by Francisco Vázquez de Coronado, whose 1540–1542 expedition pushed north in search of the mythical Seven Cities of Gold. Instead of gold, Coronado encountered vast Pueblo towns, powerful Plains tribes, and the mysterious settlement of Etzanoa along the Arkansas River in present-day Kansas.

Decades later, Juan de Oñate led settlers across the Río Grande, establishing Spain’s first permanent colony in New Mexico and laying the foundations for Santa Fe, the oldest colonial capital in the modern United States (founded 1610). From Acoma to the Great Plains, from Pueblo resistance to the legendary Quivira expedition, this film explores the rise of Spanish power in the American Southwest — and the violence, ambition, and survival that defined the conquistador frontier.

This episode covers:
Spanish Conquistadors, Coronado expedition, Juan de Oñate, Etzanoa Kansas, Quivira, Pueblo peoples, Acoma, Santa Fe 1610, New Mexico colony, Spanish Empire in North America, early American frontier history, and the origins of the American Southwest.

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Bibliography:

The Last Conquistador – Juan de Onate and the Settling of the Far Southwest by Marc Simmons

Relación de fray Francisco de Escobar sobre la expedición de Juan de Oñate a la Mar del Sur (1604-1605)

Posted in History |

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