Katie Mack: The Death of the Universe

Katie Mack: The Death of the Universe

August 13, 2026 · 1h 2m

About this episode

Hank Green interviews astrophysicist Katie Mack about the end of the universe and related topics.

Katie Mack is an astrophysicist who studies the end of the universe. Hank and Katie talk about the value of the Artemis II mission, how we can see the beginning of time, and when the universe may end. Plus, Katie tells Hank that dark matter and energy aren’t as weird as we may think. Got a question or a comment? You can reach us at humans@hankgreen.com Find us on social media @humanswithhank Find Katie Mack on Instagram @astrokatiemack

People in this episode

Host: Hank Green

Guest: Katie Mack

Topics covered

Keywords

Mentioned in this episode

Organizations: Artemis II

More episodes of Humans

Explore listener stats, chart rankings, contacts and more on the Humans podcast page.