PBS Space Time Backdrop Blur

Video Loading...

PBS Space Time S2025 E12 Is Our Model of Dark Energy WRONG? | New 4.2σ Results

Overview

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?