Skip to main content

Up Next

The Edge of an Infinite Universe

The Edge of an Infinite Universe

Season 5 Episode 17
15:16
The Holographic Universe Explained

The Holographic Universe Explained

Season 5 Episode 18
14:39
No Dark Matter = Proof of Dark Matter?

No Dark Matter = Proof of Dark Matter?

Season 5 Episode 19
10:37
The Real Science of the EHT Black Hole

The Real Science of the EHT Black Hole

Season 5 Episode 20
11:07
The Cosmic Dark Ages

The Cosmic Dark Ages

Season 5 Episode 22
12:29
The Alchemy of Neutron Star Collisions

The Alchemy of Neutron Star Collisions

Season 5 Episode 23
11:24
How Black Holes Kill Galaxies

How Black Holes Kill Galaxies

Season 5 Episode 24
11:20
The Quantum Internet

The Quantum Internet

Season 5 Episode 26
11:35
Did Time Start at the Big Bang?

Did Time Start at the Big Bang?

Season 5 Episode 27
12:30
Back to Show
PBS Space Time

Is Dark Energy Getting Stronger?

Season 5 Episode 15

The power of Dark Energy may be increasing as the universe ages. Subtle clues are emerging that the accepted model for the nature of dark energy and dark matter may not be all that. We saw the first such clue recently in our recent episode on the Crisis in Cosmology. Today we’re doing a Space Time Journal Club to reveal another clue

Support Provided By
Season
Is the LHC Creating Dark Matter?
18:18
The Higgs boson may open a portal to hidden particles that could explain dark matter.
Dark Energy Is Driving the Universe Apart. We May Finally Know Why.
19:02
The universe expands faster. “Dark energy” may not be constant after all.
Our Only Chance To Finally Unlock The Gravity Particle
16:26
There’s a new generation of experiments that may unlock the gravity particle.
The Particle We’ve Been Chasing for 30 Years Might Not Exist
18:33
The universe thrums with quantum fields, except something may be missing: the sterile neutrino.
The Universe Itself Might Be Hiding the Gravity Particle From Us
18:42
Gravitons, the particle of quantum gravity, may be impossible to detect.
Heisenberg Made a Discovery in 1925. We Still Can't Explain It
25:02
2025 was the international year of quantum science, but today we examine its origins.
Do We Live in the Rarest Solar System In The Universe? We're about to find out!
21:17
We’ve found lots of “habitable” worlds but we don’t know what factors are needed for life.
The Gravity Particle Should Exist. So Where Is It?
21:31
What is the graviton, and does it even exist?
Why Antimatter Engines Could Launch In Your Lifetime
19:52
Antimatter drives sound like science fiction, but they may not be as far as you think.
We Were Wrong About the Quantum Eraser!
23:22
Does quantum mechanics allow the future to retroactively influence the past or not?
Why Life on Mars Will Doom Humanity
19:14
Life on mars could result in humanity’s destruction via Fermi Paradox.
At What Point Does Spacetime Become Quantum?
19:01
How to build a particle collider the size of the solar system.
Active loading indicator