Ideas worth spreading

Life-altering questions about the end of the universe

2,002,825 views | Katie Mack • TED Membership

In this fascinating conversation, cosmologist and TED Fellow Katie Mack delves into everything from the Big Bang theory to what we see at the edge of the observable universe to a few ways the cosmos might end. Stay tuned to hear Mack recite an original poem on the wonder and marvel of existence. (This conversation, hosted by deputy director of the TED Fellows program, Lily James Olds, was part of a TED Membership event. Visit ted.com/membership to become a TED Member.)

In this fascinating conversation, cosmologist and TED Fellow Katie Mack delves into everything from the Big Bang theory to what we see at the edge of the observable universe to a few ways the cosmos might end. Stay tuned to hear Mack recite an original poem on the wonder and marvel of existence. (This conversation, hosted by deputy director of the TED Fellows program, Lily James Olds, was part of a TED Membership event. Visit ted.com/membership to become a TED Member.)

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About the speakers

Katie Mack

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Katie Mack unravels the connections between the smallest particles, the largest interstellar objects and the various ways the universe might end.

Lily James Olds

Lily James Olds

Deputy Director, TED Fellows

Lily James Olds co-leads the TED Fellows program, helping this visionary group of emerging leaders strategically communicate their big ideas, amplify them on the global stage and move towards greater sustainability and resilience. She is an artist working in performance, photography and film.

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Get involved with The Planetary Society, an organization bringing space exploration to the world.