Scientists have uncovered mummified remains of cheetahs from caves in northern Saudi Arabia ...

The world’s oldest known cave art shows how early humans crossed oceans, offering rare insight into ancient migration routes.

This winter, the icy beauty of the Apostle Islands is hard to reach, as open water limits access to the popular ice caves, ...

Explore the world's longest known cave system and see colorful, subterranean light displays in these incredible caves that ...

The Hiawatha National Forest is warning that the mucky trail can pose danger to visitors and the environment as sliding ...

It seems artistic inspiration can be found throughout the New Mexico landscape -- and maybe even beneath it, as our Lee Cowan has discovered: In the high desert of northern New Mexico, if you listen ...