The United States is home to several rare animal species that exist nowhere else in the world. Many of them live in protected ...

Spiders in this toxic sulfur cave have built a thriving spider metropolis and the largest spider web complex in the world!

While you might assume the Nullarbor Plain is a vast expanse with not much to see, a recent discovery has stunned scientists.

SPRINGFIELD, Mo. (KY3) - Riverbluff Cave is the oldest, fossil cave in all of North America and it’s located in the Ozarks.

A vast black-silk lattice in a Balkan cave may be the biggest spider web ever recorded, and it hosts two species that usually ...

Herds of bison are a rare treat to see in the wild, but this overlooked Midwest national park has an abundance of them. Just ...