Home PBS Space Time Season 2025 Episode 12

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

PBS Space Time · Season 2025 · Episode 12
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?

Episode Details

Air date, runtime, timezone, and episode position.

Season
2025
Episode
12
Air Date
29/May/2025
Air Time
12:00
Runtime
22 min

Overview

Episode summary.

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?

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