Untold Earth

What NASA Is Looking For In Yellowstone National Park

The Grand Prismatic Spring is the most recognizable thermal feature of Yellowstone National Park, but some of its most fascinating features are invisible to the naked eye. Underwater exists a diverse system of microbes which scientists have been studying for decades, and have been the catalyst for life changing discoveries. Could these microbes be the key to discovering life on other planets?

What NASA Is Looking For In Yellowstone National Park

6m 42s

  • Truffles Are Hiding a Dirty Little Secret: asset-mezzanine-16x9

    Truffles Are Hiding a Dirty Little Secret

    S1 E11 - 7m 11s

    In kitchens around the world, truffles represent culinary excellence and prestige, but in the forest they’re just another flora fighting to exist, using somewhat…unusual methods. In the lush woodland of the Pacific Northwest, these modest mushrooms’ adaptation strategies are promoting not only their own survival, but that of their forest ecosystem at large.

  • Why Antelope Canyon Never Looks The Same Twice: asset-mezzanine-16x9

    Why Antelope Canyon Never Looks The Same Twice

    S1 E10 - 6m 49s

    Antelope Canyon might be the most visited and photographed slot canyon in the world, but there is more to this ancient sandstone structure than meets the eye. Formed millions of years ago, and revered as a spiritual site for the Navajo Nation, the origins of this geologic wonder are as fascinating as its beauty is renowned.

  • This Upside Down Cave Is a Microscopic Warzone: asset-mezzanine-16x9

    This Upside Down Cave Is a Microscopic Warzone

    S1 E9 - 5m 57s

    Below the Chihuahuan Desert in southeastern New Mexico, lies an extensive system of limestone caves, among them the famed Carlsbad Cavern, home to one of North America's largest underground chambers. But there is more to this subterranean world than gigantic geological formations. It is also ground zero for a microbial war that’s been raging for thousands of years, right beneath our feet.

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