"The Axis of Evil": The Universe's Unexplained Center | What the Physics?!

A cosmic alignment nicknamed the Axis of Evil has cosmologists rechecking a core assumption: that the universe looks the same in every direction. Host Athena Brensberger walks through why that anomaly is hard to explain away and what it would mean if it holds up.

Why it's free: Free on NOVA PBS's own channel; GBH produces NOVA for PBS.