Skip to main content

Up Next

The Great American Eclipse

The Great American Eclipse

Season 3 Episode 24
8:55
Martian Evolution

Martian Evolution

Season 3 Episode 25
10:39
The Fate of the First Stars

The Fate of the First Stars

Season 3 Episode 26
10:47
Supervoids vs Colliding Universes!

Supervoids vs Colliding Universes!

Season 3 Episode 27
10:41
Anti-Matter and Quantum Relativity

Anti-Matter and Quantum Relativity

Season 3 Episode 28
11:20
The First Quantum Field Theory

The First Quantum Field Theory

Season 3 Episode 29
12:15
Feynman's Infinite Quantum Paths

Feynman's Infinite Quantum Paths

Season 3 Episode 30
11:39
The Real Star Wars

The Real Star Wars

Season 3 Episode 32
12:38
The Secrets of Feynman Diagrams

The Secrets of Feynman Diagrams

Season 3 Episode 33
12:05
Dark Flow

Dark Flow

Season 3 Episode 34
12:29
The One-Electron Universe

The One-Electron Universe

Season 3 Episode 35
9:11
Back to Show
PBS Space Time

Are We Living in an Ancestor Simulation? ft. Neil deGrasse T

Season 3 Episode 23

The idea that our reality is a simulation is not as far-fetched as you may think. Many philosophers, scientists and tech-billionaires are seriously considering not just the possibility but the high probability that our civilization may be a program being run by another, more advanced alien civilization.

Support Provided By
Season
JWST May Have Discovered a New Cosmic Object: The Black Hole Star
14:20
Gigantic black holes existed in a cosmic eyeblink after the Big Bang. That should be impossible.
There's Something Massive Hiding Behind the Galaxy's Strangest Star
15:15
A decade later, a leading theory may finally explain Tabby’s Star, the galaxy’s weirdest star.
We Thought All Black Holes Came From Stars. We May Have Been Wrong.
16:31
LIGO may have found an impossible black hole, hinting at primordial relics from the Big Bang.
The Universe Has Been Expanding Since the Big Bang. Just Not How We Thought.
17:40
DESI and DES studied dark energy. Together, what can they tell us?
The Quantum Experiment That Breaks Time
16:28
Could sending a quantum twin across the galaxy make you both old and young at the same time?
We Thought Black Holes Created Event Horizons. It Might Be the Opposite
17:39
It's possible that an event horizon is forming right behind and you won't know until its too late.
We’ve Been Looking for Aliens for 70 Years. We've Been Doing It Wrong All Along
20:48
Are there no alien signals to find... or do we need to update how we search for them?
We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang
14:27
Physicists hope Planck stars can save us from black hole singularities and paradoxes.
We Found Galaxies Too Old for the Universe
17:41
Galaxies older than the universe? Webb's findings keep defying our best explanations.
Earth’s Core Should Be Impossible. A New State of Matter Explains It.
16:16
Earth's core: solid or liquid? Yes — we know more about distant galaxies than our own interior.
Something Disturbing Happens When You Solve Einstein's Equations This Way
14:42
Gödel found a time-travel solution in General Relativity, revealing spacetime can loop on itself.
Martian Soil Is Deadly. And That's Why It Might Support Life
18:46
Tardigrades can survive almost anything—even most of Mars. But one Martian chemical stops even them.
Active loading indicator