Many visitors expect to see stalactites and stalagmites galore in Mammoth Cave but are surprised when they don't see many of ...

A new species of ancient shark has been discovered at Mammoth Cave National Park in Kentucky, officials said.

The ancient shark species, known as Macadens olsoni, “is notable for its unique tooth whorl, a curved row of teeth designed ...

“ Macadens olsoni is notable for its unique tooth whorl, a curved row of teeth designed for crushing small sea creatures.

A newly identified ancient shark species, Macadens olsoni, has been at Mammoth Cave National Park. The National Park Service ...

Expressing his astonishment at the diverse array of sharks encountered during the exploratory ventures within Mammoth Cave, ...

It's Shark Week, and Mammoth Cave took the unofficial holiday to announce the discovery of a ancient shark species.

The fossilized tooth of a newly discovered ancient shark species – dating back about 340 million years – has been unearthed ...

A 340-million-year-old shark species has been identified through a fossilized tooth found in Mammoth Cave National Park, ...

Flickr/James St. John The 1842 Tuberculosis Hospital in Mammoth Cave Dr. John Croghan bought Mammoth Cave in 1839 for $10,000 ...

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.The cave was discovered in 1799 but ...