<p>Have you ever wondered about what’s beyond the edge of the universe? Or maybe a better question: is there even an edge of the universe? And what does it mean that the universe is expanding? Nine-year-old Thea talks with astrophysicist Katie Mack to find answers to her many questions about the universe.</p>

Have you ever wondered about what’s beyond the edge of the universe? Or maybe a better question: is there even an edge of the universe? And what does it mean that the universe is expanding? Nine-year-old Thea talks with astrophysicist Katie Mack to find answers to her many questions about the universe.

Big universe, big questions

Brains On!® is a science podcast for curious kids and adults from American Public Media. Each week, a different kid co-host joins Molly Bloom to find answers to fascinating questions about the world sent in by listeners. Like, do dogs know they’re dogs? Or, why do feet stink? Plus, we have mystery sounds for you to guess, songs for you to dance to, and lots of facts -- all checked by experts.

Share Big universe, big questions

Sign up to save your podcasts

Big universe, big questions

Big universe, big questions

More shows like Brains On! Science podcast for kids

Story Pirates

Tumble Science Podcast for Kids

But Why: A Podcast for Curious Kids

What If World - Stories for Kids

Wow in the World

Circle Round

The Big Fib

Smash Boom Best: A funny, smart debate show for kids and family

KidNuz: News for Kids

Forever Ago

Greeking Out from National Geographic Kids

Julie’s Library

Million Bazillion

Who Smarted? - Educational Podcast for Kids

Who, When, Wow!

Moment of Um