Why Do We Exist?: The Nine Realms of Universe that Make You Possible

· Penguin Random House Audio · Narrated by Hakeem Oluseyi
2 reviews
Audiobook
8 hr 16 min
Unabridged
Eligible
Want a free 10 min sample? Listen anytime, even offline. 
Add

About this audiobook

A boundary-breaking astrophysicist reimagines the universe—and our place within it—in this audacious journey through the Nine Realms of the cosmos.

The universe gave rise to everything: stars and cells, minds and memories, purpose and pain. But it doesn’t care about us. It follows its own rules. And now, according to Dr. Hakeem Oluseyi, we finally understand enough about those rules to ask the big questions like we mean it: Why do we exist? Are we alone? How did we get here? What comes next? And—perhaps most urgently—is there reason to hope?

Heck yeah, there is!

Dr. Oluseyi is no ordinary scientist. A former street kid turned world-renowned cosmologist, he realized something bold: The story of existence can be told as a passage through nine interwoven realms—each revealing a new layer of cosmic truth.

There’s the Middle Realm, where we live; the Realm of Life, where organisms flourish across the vastness of space; the Cosmological Realm, where galaxies dance and collide; the Dark Realm, dominated by unseen energy and invisible forces; the Quantum Realm, where reality defies intuition; the Temporal Realm, where time begins, flows, and perhaps ends; the Multiverse Realm, where our universe may be one among many; the Realm Beyond Horizons, where observation breaks down; and the Realm of Imagination, where insight, curiosity, and creativity shape our understanding of it all.

In Why Do We Exist?, Dr. Oluseyi cracks open these realms with clarity, humor, and radical honesty, bridging cutting-edge physics, personal narrative, and philosophy. The result is a blueprint for understanding reality itself and a surprising case for human potential in an indifferent cosmos.

This isn’t just a science book. It’s a survival manual for the universally curious.

*Includes a downloadable PDF of visuals from the book
A boundary-breaking astrophysicist reimagines the universe—and our place within it—in this audacious journey through the Nine Realms of the cosmos. The universe gave rise to everything: stars and cells, minds and memories, purpose and pain. But it doesn’t care about us. It follows its own rules....

Discover more

Ratings and reviews

2 reviews
Derek Moss
June 8, 2026
Fantastic book!
Did you find this helpful?

Rate this audiobook

Tell us what you think.

Listening information

Smartphones and tablets
Install the Google Play Books app for Android and iPad/iPhone. It syncs automatically with your account and allows you to read online or offline wherever you are.
Laptops and computers
You can read books purchased on Google Play using your computer's web browser.