Back to Show
PBS Space Time
Is Our Model of Dark Energy Wrong? | New 4.2σ Results
Season 11
Episode 5
The biggest news in cosmology in recent years is that the mysterious universe-accelerating entity we call dark energy may be fading away. The evidence for this is now strong enough that enormous effort is going into confirming this result. So what’s it going to take, and when are we going to know?
Support Provided By

11:49
Did JWST just find a new type of star powered by dark matter?

16:21
Did we just uncover new evidence to support Cold Dark Matter?

15:51
The gravitational wave background has probably been detected using a pulsar timing array.

15:05
Let’s explore how constant this speed of light fundamental constant really is.

14:39
Dark matter may be a quantum mechanical wave that literally holds galaxies together.

16:24
Has AI proven that the proton is made of 5 quarks rather than 3 quarks?

15:16
How close is too close for supernova explosions?

12:14
Could we turn our solar system into a spaceship and drive the Sun around the galaxy?

16:00
If we want to see quantum weirdness with our eyes, we’ll need Bose-Einstein Condensates.

16:42
Could LIGO find alien spacecraft accelerating to near light speed?

15:51
How can we tell the difference between fermions & bosons? Statistical Mechanics!

13:25
Why has a newly discovered a black hole started pointing directly at us?