Mammoth Cave National Park in south-central Kentucky, home to the world’s longest cave system, has extended its fame. The National Park Service announced that explorers have mapped out an ...

Two 325-million-year-old ctenacanth shark fossils discovered in Mammoth Cave shed light on ancient marine ecosystems.

Explore Mammoth Cave National Park, the longest cave system on Earth, featuring the richest known habitat for cave wildlife in the world. It may be difficult to think of caves as spacious and grand, ...

Mammoth Cave may not be one of the seven wonders of the world, but the national park is one of the wonders of the Bluegrass State. It's "the world's longest known cave system, with more than 400 ...

Caves have a multifaceted allure. While the general public is drawn to them for the otherworldly atmosphere and sense of ...

While Sand Cave is not part of the Mammoth Cave system, Collins’ entrapment and the widespread attention it generated brought the area “back to the consciousness and got it on the list ...

This collapsed sinkhole, the largest known natural entrance to the Mammoth Cave system, is believed by researchers to be where the cave's extensive labyrinth of naturally formed passages first ...

The world's longest cave system just got a little bit longer. Mammoth Cave National Park announced last week that an additional six miles of cave have been discovered and added to its total length ...

An explorer of the Mammoth Cave system in Kentucky who died 100 years ago is credited with the creation of the national park. A national park in Kentucky has the longest known cave system in the ...

Mammoth Cave National Park is trying to lure tourists by quoting testimonials from some of the more than 550,000 visitors who check out the world’s longest cave system in Kentucky each year.