The Geology Nerds of Western Kentucky group, led by retired teacher and geologist John Tillson, aims to encourage curiosity ...

Sixty-five miles southwest of Chicago, a small hill that looks like a prop from an Indiana Jones movie breaks up the flat, monotone landscape. Consisting of shale, sandstone and rocks from an old coal ...

Paleontologists discovered two new species of ancient sharks and put together research using the sharks' fossilized teeth and even a set of gills found in the depths of Mammoth Cave National Park, ...

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