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Pbs Space Time

Pbs Space Time

@pbsspacetime•3.5M subscribers•442 videos
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About Pbs Space Time

YouTube channel covering astrophysics

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442
Videos
3.5M
Subscribers
540.6M
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Feb 9, 2015
Joined YouTube

PBS Space Time Episode Catalog

Explore every episode. Find what matters.
Jul 16, 2026
18:52
The Universe Has Been Expanding Since the Big Bang. Just Not How We Thought.
299.8K20K1.8K
Jul 2, 2026
17:40
The Quantum Experiment That Breaks Time
221.5K16.5K1.6K
Jun 18, 2026
19:44
We Thought Black Holes Created Event Horizons. It Might Be the Opposite
141K14K1.6K
Jun 4, 2026
20:49
We’ve Been Searching for Aliens the Wrong Way. That’s All About To Change. . .
606.4K33.7K3.5K
May 21, 2026
16:53
We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang.
1.7M73.8K6.6K
Apr 30, 2026
20:20
We Found Galaxies Too Old for the Universe
1.2M60.8K5.4K
Apr 16, 2026
17:48
Earth’s Core Should Be Impossible. A New State of Matter Explains It.
974.9K50.7K4.2K
Apr 2, 2026
15:30
Something Disturbing Happens When You Solve Einstein's Equations This Way
1.1M61.5K6.4K
Mar 19, 2026
20:31
Martian Soil Is Deadly. And That's Why It Might Support Life.
457K31.8K3.6K
Mar 5, 2026
20:18
Most of Reality Is Invisible. We May Finally Be About to Reveal It.
627.6K41.7K4.9K
Feb 19, 2026
20:55
The Universe Is Racing Apart. We May Finally Know Why.
974.7K57.8K6K
Feb 5, 2026
18:36
The Universe Tried to Hide the Gravity Particle. Physicists Found a Loophole.
1.2M69.8K7.7K
Jan 22, 2026
20:18
This Particle Solved Everything. We Just Found Out It Isn't Real
831.5K52.9K5K
Jan 13, 2026
20:20
The Universe Itself Might Be Hiding the Gravity Particle From Us
924.4K53.2K6.6K
Dec 18, 2025
1:38:19
Black Holes. Explained. For 1.5 Hours.
962.7K15.5K1.3K
Dec 11, 2025
27:15
Heisenberg Made a Discovery in 1925. We Still Can't Explain It
1.2M52.6K5.1K
Nov 25, 2025
23:22
Do We Live in the Rarest Solar System In The Universe? We're about to find out!
1.5M74.5K7.7K
Nov 13, 2025
23:25
The Gravity Particle Should Exist. So Where Is It?
1.5M68.6K6.3K
Oct 30, 2025
21:50
Why Antimatter Engines Could Launch In Your Lifetime
1.3M70.3K4.8K
Oct 16, 2025
25:27
We Were WRONG About the Quantum Eraser! ft. @LookingGlassUniverse​
574.4K39.8K3.6K
Oct 2, 2025
21:15
Why Life on Mars Will DOOM Humanity
940.9K67.6K11.2K
Sep 18, 2025
20:38
At What Point Does Spacetime Become Quantum?
840.5K65.5K8.4K
Sep 4, 2025
15:05
The Most Important Satellite You’ve (Probably) Never Heard Of
189K13.1K1.3K
Aug 14, 2025
18:35
Is There Evidence For a Vast Multiverse?
474.3K21K1.7K
Jul 31, 2025
20:19
Why The Multiverse Could Be Real
691.9K64.6K3.9K
Jul 17, 2025
20:18
Why Is All DNA Right Handed?
531.2K58.6K2.6K
Jun 26, 2025
20:07
Are The Fundamental Constants Finely Tuned? | The Naturalness Problem
462.3K48.6K2.9K
Jun 12, 2025
20:13
The Crisis In Physics: Are We Missing 17 Layers of Reality?
818.1K33.2K3.5K
May 29, 2025
21:42
Is Our Model of Dark Energy WRONG? | New 4.2σ Results
591.1K22.1K1.7K
May 15, 2025
20:56
Is There A Simple Solution To The Fermi Paradox?
1.6M57.1K6.6K
May 1, 2025
20:05
We Thought Energy Had to Travel Through Space. It Might Not.
543.6K21.3K1.6K
Apr 17, 2025
18:06
How a One-in-a-Billion Mistake Made the Universe Possible
844.8K30.3K2.2K
Apr 3, 2025
19:12
NEW EVIDENCE: Earth Had Rings (and Might Regain Them)
521.5K34.1K3.1K
Mar 13, 2025
19:55
We Shouldn’t Be Able to Predict Asteroid Impacts This Precisely. But We Can
311.3K35.5K4.5K
Mar 6, 2025
17:44
Your DNA's Codes Are (Probably) From Outer Space
770.6K32.8K2.6K
Feb 20, 2025
18:10
Will The Big Bang Happen AGAIN (and Again)?
733.5K34.4K6.9K
Feb 13, 2025
21:34
The Final Barrier to (Nearly) Infinite Energy
4.1M241.4K24K
Jan 30, 2025
18:59
The Crisis in Physics: Why the Higgs Boson Should NOT Exist!
1.4M109.2K14.7K
Jan 23, 2025
16:29
Why Time Flows Differently Between Galaxies
1M94.7K14.8K
Jan 16, 2025
21:07
How Many Black Holes Are In The Solar System?
1M29.3K2.1K
Dec 19, 2024
17:12
Does Infinity - Infinity = an Electron?
626.7K19.6K1.5K
Dec 12, 2024
16:02
What Does An Electron ACTUALLY Look Like?
839.3K29.4K1.6K
Dec 5, 2024
18:10
The NEW Ultimate Energy Limit of the Universe
683.3K22.7K1K
Nov 21, 2024
19:21
Does the Planck Length Break E=MC^2?
701.2K21.2K1.4K
Nov 14, 2024
14:40
Can Space Time Remember?
398K16.5K896
Nov 7, 2024
22:19
How Can Humanity Become a Kardashev Type 1 Civilization?
897.9K24.5K2.8K
Oct 17, 2024
16:16
Do Neutron Stars Shine In Dark Matter?
565.2K21.1K980
Oct 10, 2024
17:32
What If The Cosmological Constant Is NOT Constant?
524.4K21.7K1.1K
Sep 26, 2024
18:24
What If The Universe DID NOT Start With The Big Bang?
1.5M41.7K4.1K
Sep 19, 2024
17:59
The NEW PHYSICS of Black Hole Star Capture | Extreme Tidal Disruption Events
456.5K17.9K793
Sep 12, 2024
18:20
What If Gravity Isn’t Quantum? New Experiments Explore
601.4K20.6K1.4K
Aug 22, 2024
20:19
Is Gravity RANDOM Not Quantum?
812.3K24.7K2.4K
Aug 15, 2024
18:07
Can We Create New Elements Beyond the Periodic Table?
1M29.7K1.4K
Aug 1, 2024
16:58
Do Black Holes Have to Be Black?
314.1K13.4K652
Jul 25, 2024
19:19
Was Penrose Right? NEW EVIDENCE For Quantum Effects In The Brain
1.1M36.7K3.8K
Jul 18, 2024
17:35
How To Detect Faster Than Light Travel
628.7K22.3K1.4K
Jun 27, 2024
21:57
Can a Particle Be Neither Matter Nor Force?
874.5K23.2K1.4K
Jun 20, 2024
18:12
Will The Sun’s Magnetic Field Flip This Year?
472.9K17.8K1.2K
Jun 13, 2024
18:35
Is It IMPOSSIBLE To Cross The Event Horizon? | Black Hole Firewall Paradox
522.9K17.3K1.6K
May 30, 2024
13:49
How Supernovas Act as Universe’s Largest Particle Accelerators
297.8K12.6K417
May 23, 2024
15:19
Can Black Holes Unify General Relativity & Quantum Mechanics?
505.9K22.5K1.3K
May 16, 2024
21:14
Interstellar Expansion WITHOUT Faster Than Light Travel
1.2M37.3K5.1K
May 1, 2024
17:25
What Happens To Quantum Information Inside A Black Hole?
583.9K22.3K1.9K
Apr 18, 2024
16:52
Why Is The World Rushing Back To The Moon?
533.2K22.1K2K
Apr 6, 2024
16:26
How Eclipses Revealed Our Solar System
367.9K14.6K746
Mar 28, 2024
15:27
What If Gravity is NOT A Fundamental Force? | Entropic Gravity
885K31.4K2.5K
Mar 21, 2024
15:43
Does Space Emerge From A Holographic Boundary?
794.8K27.3K2K
Mar 14, 2024
15:45
Dark Forest: Should We NOT Contact Aliens?
502.5K21.3K3K
Feb 29, 2024
15:26
EMP Attack: The Real Science of Electromagnetic Pulse
1M26.7K1.4K
Feb 22, 2024
15:41
What if Singularities DO NOT Exist?
2.4M67.5K4.6K
Feb 14, 2024
15:38
Did JWST SOLVE The Mystery of Supermassive Black Hole Origins?
500.8K19.8K954
Jan 17, 2024
17:44
Does Antimatter Create Anti-Gravity?
882.7K29.7K2.3K
Jan 10, 2024
14:43
Can The Crisis in Cosmology Be SOLVED With Cosmic Voids?
502.5K18.5K1.1K
Dec 20, 2023
18:25
What If There's A Black Hole Inside The Sun? | Hawking Stars
1.1M25.8K1.6K
Dec 7, 2023
20:14
What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis
2.4M59K5.5K
Nov 30, 2023
19:49
Does Many Worlds Explain Quantum Probabilities?
514.3K17.7K2.3K
Nov 9, 2023
18:31
What If Gravity is NOT Quantum?
1.9M50.4K4.9K
Nov 2, 2023
18:56
How Will We (Most Likely) Discover Alien Life?
654.9K21K1.3K
Oct 19, 2023
12:31
Why Did Attosecond Physics Win the NOBEL PRIZE?
772.3K28.3K1.2K
Oct 12, 2023
16:13
JWST Discovered The Farthest Star Ever Seen!
772.3K24.5K1.5K
Sep 28, 2023
17:25
Are Many Worlds & Pilot Wave THE SAME Theory?
486.2K19.6K1.9K
Sep 20, 2023
18:01
Are Room Temperature Superconductors IMPOSSIBLE?
609.2K23K1.4K
Sep 13, 2023
20:39
What NEW SCIENCE Would We Discover with a Moon Telescope?
436.1K17K1.1K
Aug 24, 2023
16:04
What If Space is NOT Empty?
819.1K29.6K2K
Aug 16, 2023
18:37
Did JWST Discover Dark Matter Stars?
1.6M41.5K2.8K
Aug 2, 2023
16:35
Do We Need a NEW Dark Matter Model?
696.4K23K2.1K
Jul 26, 2023
17:03
Was the Gravitational Wave Background Finally Discovered?!?
632.4K21.9K1.4K
Jul 19, 2023
21:14
What If The Speed of Light is NOT CONSTANT?
1.3M30.5K2.8K
Jun 28, 2023
14:40
Does Axionic Dark Matter Bind Galaxies Together?
466.7K17.9K1.2K
Jun 21, 2023
16:57
Did AI Prove Our Proton Model WRONG?
2.6M67K4.3K
Jun 14, 2023
16:35
What Supernova Distance Would Trigger Mass Extinction?
1.4M33.4K1.9K
May 31, 2023
13:29
Can We Move THE SUN?
402.6K27.1K1.9K
May 24, 2023
18:23
Is 'Perpetual Motion' Possible with Superfluids?
606.8K25.6K1.4K
May 17, 2023
16:55
Could LIGO Find MASSIVE Alien Spaceships?
434.2K16.8K1.5K
May 11, 2023
15:52
Fermions Vs. Bosons Explained with Statistical Mechanics!
443.6K17.4K722
Apr 20, 2023
15:01
NEW DISCOVERY About Supermassive Black Holes Explained!
610.3K21.1K1.1K
Apr 12, 2023
17:09
How Far Beyond Earth Could Humanity Spread?
1.2M32.1K3K
Mar 29, 2023
18:03
How Much Of The Universe Can Humanity Ever See?
876.8K27K1.6K
Mar 22, 2023
16:48
What If Black Holes ARE Dark Energy?
980.7K28.1K1.9K
Mar 15, 2023
16:42
What’s Your Brain’s Role in Creating Space & Time?
765.8K28.3K2.5K
Feb 23, 2023
26:02
What If Space And Time Are NOT Real?
2.6M51.7K4.6K
Feb 15, 2023
15:59
How Does The Nucleus Hold Together?
986.5K31.6K2K
Feb 8, 2023
20:28
How Earth REALLY Moves Through the Galaxy
3.2M65.6K5.3K
Jan 26, 2023
21:56
What If Alien Life Were Silicon-Based?
3.6M91.7K6.2K
Jan 18, 2023
17:47
What If The Universe Is Math?
1.1M36.9K5.1K
Jan 11, 2023
21:18
The NEW SCIENCE of Moon Formation
747.5K26.1K1.9K
Dec 19, 2022
1:01:59
2022 Year End AMA
97.3K2.9K245
Dec 14, 2022
21:17
How Can Matter Be BOTH Liquid AND Gas?
831.7K28.9K1.3K
Dec 8, 2022
16:43
How Are Quasiparticles Different From Particles?
610.4K23.9K1.6K
Nov 23, 2022
18:45
How To See Black Holes By Catching Neutrinos
488.9K17.9K976
Nov 16, 2022
20:57
Are there Undiscovered Elements Beyond The Periodic Table?
4.4M99K6.2K
Nov 9, 2022
20:50
What If Humanity Is Among The First Spacefaring Civilizations?
2.2M63.7K7.4K
Oct 26, 2022
20:33
Why Did Quantum Entanglement Win the Nobel Prize in Physics?
2.4M55.5K4K
Oct 19, 2022
16:43
The Equation That Explains (Nearly) Everything!
1.5M39.9K2.1K
Oct 12, 2022
21:15
The REAL Possibility of Mapping Alien Planets!
762.1K27.5K1.9K
Sep 28, 2022
15:38
Why Is 1/137 One of the Greatest Unsolved Problems In Physics?
4.4M104K10.1K
Sep 21, 2022
18:04
Science of the James Webb Telescope Explained!
379.3K15.3K826
Sep 14, 2022
14:31
Could the Higgs Boson Lead Us to Dark Matter?
822.2K30K1.9K
Aug 24, 2022
21:37
What Makes The Strong Force Strong?
1.7M41.1K2.3K
Aug 17, 2022
16:19
What If Dark Energy is a New Quantum Field?
1.1M30K2.2K
Aug 3, 2022
20:16
What Happens Inside a Proton?
1.5M43.3K2.3K
Jul 27, 2022
14:12
How Many States Of Matter Are There?
2.8M94K3.4K
Jul 20, 2022
18:53
What If We Live in a Superdeterministic Universe?
2.1M106K6.8K
Jun 30, 2022
19:28
Could We Decode Alien Physics?
917.2K30.5K2.4K
Jun 22, 2022
20:34
Is Interstellar Travel Impossible?
4.4M92.3K13.5K
Jun 15, 2022
14:22
Have We SOLVED The Black Hole Information Paradox with Wormholes?
741.5K25.7K2K
Jun 1, 2022
18:51
What If Physics IS NOT Describing Reality?
1.4M38.3K3.8K
May 25, 2022
20:30
The Evolution of the Modern Milky Way Galaxy
577.4K16.4K992
May 18, 2022
15:06
What If the Galactic Habitable Zone LIMITS Intelligent Life?
1M35.3K3.2K
May 4, 2022
17:32
Space DOES NOT Expand Everywhere
1.2M29.9K3.6K
Apr 27, 2022
18:04
How the Higgs Mechanism Give Things Mass
1.9M42.1K2.3K
Apr 20, 2022
18:44
Does the Universe Create Itself?
1.5M46K4.8K
Mar 30, 2022
13:01
Could The Universe Be Inside A Black Hole?
3.4M74.5K8.4K
Mar 23, 2022
19:15
Where Is The Center of The Universe?
2.1M45.2K4.3K
Mar 16, 2022
15:44
What If Charge is NOT Fundamental?
1.3M42.4K2.1K
Mar 8, 2022
21:22
Is the Proxima System Our Best Hope For Another Earth?
1M29K2.3K
Feb 23, 2022
15:55
Are Cosmic Strings Cracks in the Universe?
978.5K27.1K2K
Feb 16, 2022
20:16
Is The Wave Function The Building Block of Reality?
1.6M40.7K3.6K
Feb 10, 2022
39:34
The Nature of Space and Time AMA
202K4.6K503
Jan 27, 2022
18:14
How Does Gravity Escape A Black Hole?
1.7M41.4K4.6K
Jan 19, 2022
13:25
How To Build The Universe in a Computer
493.8K17.7K1.2K
Jan 12, 2022
20:53
How To Simulate The Universe With DFT
918.6K25.6K1.4K
Dec 29, 2021
14:42
How to Find ALIEN Dyson Spheres
1M29.4K3.7K
Dec 20, 2021
20:26
What Happens If A Black Hole Hits Earth?
1.2M34.2K2.5K
Dec 10, 2021
36:39
2021 End of Year AMA!
146K4.4K413
Nov 17, 2021
16:29
Are Black Holes Actually Fuzzballs?
1.3M42.8K3.8K
Nov 10, 2021
18:28
What If Our Understanding of Gravity Is Wrong?
2.4M52.9K6.3K
Nov 2, 2021
19:40
Is ACTION The Most Fundamental Property in Physics?
1.3M34.6K2.1K
Oct 20, 2021
16:19
Will Constructor Theory REWRITE Physics?
1.5M44.3K3.5K
Oct 13, 2021
17:31
New Results in Quantum Tunneling vs. The Speed of Light
1.1M34.1K2.4K

Showing 1–150 of 448

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