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# Interview: Discovering Dark Energy and the Hubble Tension with Nobel Prize Winner Adam Riess
- URL: https://www.cascadepbs.org/show/nova/specials/interview-discovering-dark-energy-and-the-hubble-tension-with-nobel-prize-winner-adam-riess-yhf4ps/
- Published: 2025-12-18T21:15:50.000Z
- Updated: 2025-12-19T12:00:13.000Z
- Description: Adam Riess takes us inside the discovery of dark energy.
- Author: Cascade PBS Staff
- Tags: NOVA, #ZZZ_Show_8f1ff589-6222-4260-acbf-0523a6424abf, #v1.7, #ZZZ_Special_f2a6f5b2-fb81-44ae-8473-ba9bd634027f, #special

What does it feel like to make one of the biggest discoveries in physics? Adam Riess knows — because his work revealed that the universe isn’t just expanding, it’s accelerating. In this episode, the Nobel Prize–winning astrophysicist takes us behind the scenes of the moment that changed cosmology forever.