The Galactic Subway: Searching for Cosmic Portals episode artwork

EPISODE · Jul 11, 2025 · 22 MIN

The Galactic Subway: Searching for Cosmic Portals

from Curious Machine · host Mark kochler

What if the silence in our galaxy isn't because we're alone, but because the most advanced civilizations are using a transportation network we can't see? A hidden cosmic subway system made of wormholes. This idea might sound like fantasy, but the potential for these shortcuts is written into the laws of physics. In this episode, we ask the big questions: How could a wormhole form naturally, perhaps stretched from the quantum foam of the early universe? If we found one, how would we survive the journey and control where it goes? And could they already be out there, connecting supermassive black holes at the centers of galaxies? Join us on a hunt for the most elusive and reality-bending objects in the cosmos.

Episode metadata supplied by the publisher feed · Published Jul 11, 2025

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