The death of a Kentucky cave explorer a century ago is being remembered as a catalyst for the formation of Mammoth Cave National Park. His final days sparked international attention, but his legend ...

Longing to delve back into the underground beauty of Mammoth Cave National Park, here is how I would do things a little differently this time. I was floored by the beauty found underground at Mammoth ...

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The following is an edited transcript of their conversation. Nova Safo: So you’re not exactly bringing back the woolly mammoth. You’re creating a new hybrid. Is that right? Ben Lamm ...