Mammoth Cave, the world's longest known cave system, stretches 426 miles under Kentucky. The cave's limestone began forming 330 million years ago when the region was submerged under an ocean.

Address: 3700 L&N Turnpike Road, Horse Cave, Ky. This cave is part of Kentucky Down Under Adventure Zoo, located in Horse Cave. The cave was discovered in 1799 but didn't open for public tours ...

The roughly half-inch tooth from the uncovered species, named the Macadens olsoni, was found in the depths of Ste. Genevieve Formation at Mammoth Cave National Park in Kentucky.

A new species of shark was discovered in Kentucky's Mammoth Cave National Park.The ancient shark is called a "Macadens Olsoni."Experts say it had a distinct curved row of teeth, used to crush ...

Mammoth Onyx Cave County: Hart Address: 3700 L&N Turnpike Road, Horse Cave, Ky. This cave is part of Kentucky Down Under Adventure Zoo, located in Horse Cave.

In the not-so-distant future, it may be possible to walk or ride a bike from Bowling Green to Mammoth Cave. That’s the goal of the Bowling Green to Mammoth Cave Trail, a large-scale project that ...

A new species of ancient shark has been discovered at Mammoth Cave National Park in Kentucky, officials said. Named Macadens olsoni, the fossils were found in the Ste. Genevieve Formation, dating ...

An epic archaeological discovery of a new species of ancient shark was recently made at Mammoth Cave National Park, dating back approximately 340 to 335 million years.