Cave ecosystems thrive in the dark. What happens when tourists light them up?
In Belize’s Actun Tunichil Muknal cave, a sacred Maya site, plants grow in darkness, sparking concerns about how tourism affects its fragile ecosystem.
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How Likely Is A Volcanic Eruption At Yellowstone?
Deep beneath Yellowstone National Park is an enormous volcanic crater hundreds of thousands of years old. Researchers have found a new way to track changes in the crater by studying electromagnetic ...