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PBS Space Time

PBS Space Time

@pbsspacetime · US · 3,490,000 subscribers

Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth with our astrophysicist host: Matthew O’Dowd.

For all business inquiries and sponsorship opportunities please reach out to: pbsspacetime…

50 Videos

We Thought Time Only Moved Forward. A Quantum Experiment Could Split It in Two. 17:40

We Thought Time Only Moved Forward. A Quantum Experiment Could Split It in Two.

13,236 views · Jul 2, 2026
We Thought Black Holes Created Event Horizons. It Might Be the Opposite 19:44

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

787,275 views · Jun 18, 2026
We’ve Been Searching for Aliens the Wrong Way. That’s All About To Change. . . 20:49

We’ve Been Searching for Aliens the Wrong Way. That’s All About To Change. . .

701,547 views · Jun 4, 2026
We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang. 16:53

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

1,858,731 views · May 21, 2026
We Found Galaxies Too Old for the Universe 20:20

We Found Galaxies Too Old for the Universe

1,342,430 views · Apr 30, 2026
Earth’s Core Should Be Impossible. A New State of Matter Explains It. 17:48

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

985,218 views · Apr 16, 2026
Something Disturbing Happens When You Solve Einstein's Equations This Way 15:30

Something Disturbing Happens When You Solve Einstein's Equations This Way

1,229,067 views · Apr 2, 2026
Martian Soil Is Deadly. And That's Why It Might Support Life. 20:31

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

461,126 views · Mar 19, 2026
Most of Reality Is Invisible. We May Finally Be About to Reveal It. 20:18

Most of Reality Is Invisible. We May Finally Be About to Reveal It.

643,514 views · Mar 5, 2026
The Universe Is Racing Apart. We May Finally Know Why. 20:55

The Universe Is Racing Apart. We May Finally Know Why.

993,224 views · Feb 19, 2026
The Universe Tried to Hide the Gravity Particle. Physicists Found a Loophole. 18:36

The Universe Tried to Hide the Gravity Particle. Physicists Found a Loophole.

1,228,351 views · Feb 5, 2026
This Particle Solved Everything. We Just Found Out It Isn't Real 20:18

This Particle Solved Everything. We Just Found Out It Isn't Real

842,883 views · Jan 22, 2026
The Universe Itself Might Be Hiding the Gravity Particle From Us 20:20

The Universe Itself Might Be Hiding the Gravity Particle From Us

939,327 views · Jan 13, 2026
Black Holes. Explained. For 1.5 Hours. 1:38:19

Black Holes. Explained. For 1.5 Hours.

1,028,686 views · Dec 18, 2025
Heisenberg Made a Discovery in 1925. We Still Can't Explain It 27:15

Heisenberg Made a Discovery in 1925. We Still Can't Explain It

1,196,429 views · Dec 11, 2025
Do We Live in the Rarest Solar System In The Universe? We're about to find out! 23:22

Do We Live in the Rarest Solar System In The Universe? We're about to find out!

1,519,181 views · Nov 25, 2025
The Gravity Particle Should Exist. So Where Is It? 23:25

The Gravity Particle Should Exist. So Where Is It?

1,520,731 views · Nov 13, 2025
Why Antimatter Engines Could Launch In Your Lifetime 21:50

Why Antimatter Engines Could Launch In Your Lifetime

1,302,403 views · Oct 30, 2025
We Were WRONG About the Quantum Eraser! ft. @LookingGlassUniverse​ 25:27

We Were WRONG About the Quantum Eraser! ft. @LookingGlassUniverse​

582,535 views · Oct 16, 2025
Why Life on Mars Will DOOM Humanity 21:15

Why Life on Mars Will DOOM Humanity

943,787 views · Oct 2, 2025
At What Point Does Spacetime Become Quantum? 20:38

At What Point Does Spacetime Become Quantum?

864,840 views · Sep 18, 2025
The Most Important Satellite You’ve (Probably) Never Heard Of 15:05

The Most Important Satellite You’ve (Probably) Never Heard Of

189,889 views · Sep 4, 2025
Is There Evidence For a Vast Multiverse? 18:35

Is There Evidence For a Vast Multiverse?

480,062 views · Aug 14, 2025
Why The Multiverse Could Be Real 20:19

Why The Multiverse Could Be Real

697,287 views · Jul 31, 2025
Why Is All DNA Right Handed? 20:18

Why Is All DNA Right Handed?

537,506 views · Jul 17, 2025
Are The Fundamental Constants Finely Tuned? | The Naturalness Problem 20:07

Are The Fundamental Constants Finely Tuned? | The Naturalness Problem

464,416 views · Jun 26, 2025
The Crisis In Physics: Are We Missing 17 Layers of Reality? 20:13

The Crisis In Physics: Are We Missing 17 Layers of Reality?

823,714 views · Jun 12, 2025
Is Our Model of Dark Energy WRONG? | New 4.2σ Results 21:42

Is Our Model of Dark Energy WRONG? | New 4.2σ Results

593,180 views · May 29, 2025
Is There A Simple Solution To The Fermi Paradox? 20:56

Is There A Simple Solution To The Fermi Paradox?

1,654,311 views · May 15, 2025
We Thought Energy Had to Travel Through Space. It Might Not. 20:05

We Thought Energy Had to Travel Through Space. It Might Not.

546,052 views · May 1, 2025
How a One-in-a-Billion Mistake Made the Universe Possible 18:06

How a One-in-a-Billion Mistake Made the Universe Possible

854,703 views · Apr 17, 2025
NEW EVIDENCE: Earth Had Rings (and Might Regain Them) 19:12

NEW EVIDENCE: Earth Had Rings (and Might Regain Them)

522,315 views · Apr 3, 2025
We Shouldn’t Be Able to Predict Asteroid Impacts This Precisely. But We Can 19:55

We Shouldn’t Be Able to Predict Asteroid Impacts This Precisely. But We Can

312,040 views · Mar 13, 2025
Your DNA's Codes Are (Probably) From Outer Space 17:44

Your DNA's Codes Are (Probably) From Outer Space

771,664 views · Mar 6, 2025
Will The Big Bang Happen AGAIN (and Again)? 18:10

Will The Big Bang Happen AGAIN (and Again)?

735,217 views · Feb 20, 2025
The Final Barrier to (Nearly) Infinite Energy 21:34

The Final Barrier to (Nearly) Infinite Energy

4,105,418 views · Feb 13, 2025
The Crisis in Physics: Why the Higgs Boson Should NOT Exist! 18:59

The Crisis in Physics: Why the Higgs Boson Should NOT Exist!

1,445,525 views · Jan 30, 2025
Why Time Flows Differently Between Galaxies 16:29

Why Time Flows Differently Between Galaxies

1,073,460 views · Jan 23, 2025
How Many Black Holes Are In The Solar System? 21:07

How Many Black Holes Are In The Solar System?

1,034,180 views · Jan 16, 2025
Does Infinity - Infinity = an Electron? 17:12

Does Infinity - Infinity = an Electron?

629,009 views · Dec 19, 2024
What Does An Electron ACTUALLY Look Like? 16:02

What Does An Electron ACTUALLY Look Like?

844,841 views · Dec 12, 2024
The NEW Ultimate Energy Limit of the Universe 18:10

The NEW Ultimate Energy Limit of the Universe

688,984 views · Dec 5, 2024
Does the Planck Length Break E=MC^2? 19:21

Does the Planck Length Break E=MC^2?

705,020 views · Nov 21, 2024
Can Space Time Remember? 14:40

Can Space Time Remember?

399,173 views · Nov 14, 2024
How Can Humanity Become a Kardashev Type 1 Civilization? 22:19

How Can Humanity Become a Kardashev Type 1 Civilization?

904,227 views · Nov 7, 2024
Do Neutron Stars Shine In Dark Matter? 16:16

Do Neutron Stars Shine In Dark Matter?

574,126 views · Oct 17, 2024
What If The Cosmological Constant Is NOT Constant? 17:32

What If The Cosmological Constant Is NOT Constant?

530,029 views · Oct 10, 2024
What If The Universe DID NOT Start With The Big Bang? 18:24

What If The Universe DID NOT Start With The Big Bang?

1,549,677 views · Sep 26, 2024
The NEW PHYSICS of Black Hole Star Capture | Extreme Tidal Disruption Events 17:59

The NEW PHYSICS of Black Hole Star Capture | Extreme Tidal Disruption Events

457,228 views · Sep 19, 2024
What If Gravity Isn’t Quantum? New Experiments Explore 18:20

What If Gravity Isn’t Quantum? New Experiments Explore

603,230 views · Sep 12, 2024