skinny.

Latest / NOVA Remix

When Black Holes Collide | Janna Levin

Space itself rings with gravitational waves when black holes collide—the most powerful events detected since the Big Bang. Astrophysicist Janna Levin reveals why, when the cosmic symphony fades, the merged black hole is stripped to flawless simplicity.

For more, check out the extended interview with Janna Levin.

Learn more about NOVA and subscribe to our YouTube channel.

The skinny

The skinny isn't ready yet — notes appear once the transcript is processed.