Crash Course Pods: The Universe

Ep. 11: How It All Ends

In our last episode, Dr. Katie Mack and John Green discuss what the ultimate fate of the universe might look like.  Head to https://policygenius.com/crashcourse to get y

Ep. 10: The Future

In this episode, Dr. Katie Mack gives John Green an idea of what to expect for the future of our universe.  Head to https://policygenius.com/crashcourse to get your free

Ep. 9: The Cosmos and Us

In our journey through the history of the entire universe, we have finally reached the present. Before we continue moving forward in our timeline, John has some questions

Ep. 8: Life In Our Universe

In this episode, Katie Mack and John Green discuss why life was able to happen.  Head to https://policygenius.com/crashcourse to get your free life insurance quotes and

Ep. 7: What’s Keeping the Stars Apart

In this episode, Katie Mack and John Green discuss the wonder keeping the stars apart... dark energy. Head to https://policygenius.com/crashcourse to get your free life

Ep. 6: The Story of Dark Matter

"How do we know that dark matter is there?"   In this episode, Dr. Katie Mack and John Green unpack the full story of dark matter. Head to https://policygenius.com/cras

Ep. 5: Black Holes

In this episode, John and Katie take a break from talking through the universe's timeline to focus on a mystery of our cosmos: black holes. Head to https://policygenius.

Ep. 4: When The Stars Turned On

"Is free will still in the equation?" In this episode, the universe begins to become visible to itself. Dr. Katie Mack teaches John Green about the moment the stars turn

Ep. 3: The Dark Ages of the Cosmos

"The only thing that could have happened, happened"  In this episode, the universe as we know it starts to come into focus. Dr. Katie Mack teaches John Green about the c

Ep. 2: Why We Can Exist

"That’s why we’re here. Something broke." Head to https://policygenius.com/crashcourse to get your free life insurance quotes and see how much you could save.  In episo

Ep. 1: The First Fraction of a Second

"Part of me was there?"  Dr. Katie Mack teaches John Green about the beginning of the Universe - including that we are not just made of stardust; we are also made of Big

Trailer: The Universe with John Green and Dr. Katie Mack

Join Dr. Katie Mack, a theoretical astrophysicist, and #1 New York Times bestselling author John Green as they walk through the history of the entire universe - including