There’s an Ocean Hidden Inside the Earth
Journey beneath Earth's surface and follow the evidence from ringwoodite to the mantle transition zone.


PAST • PLANET • BEYOND™
Explore extraordinary true stories from our past, our planet, and our universe.
THE LIBRARY
Journey beneath Earth's surface and follow the evidence from ringwoodite to the mantle transition zone.

Travel to HD 189733 b and follow the observations behind its deep-blue atmosphere and extreme winds.

Follow the trail from Mount Tambora’s 1815 eruption to the cold, crop failures and food scarcity that struck parts of the world in 1816.
History, discovery, mystery, and the stories that shaped humanity.
EPISODE 03 • EXPLORE ABOVEEarth, science, nature, and the hidden systems of our world.
EPISODE 01 • EXPLORE ABOVESpace, cosmic extremes, distant worlds, and the mysteries of the universe.
EPISODE 02 • EXPLORE ABOVEOUR EDITORIAL PROMISE
“THE CRAZY PART HAS TO BE TRUE™.”
Wonder gets our attention. Evidence earns the story.
ENTER THE RABBIT HOLE →