Dwarf crocodiles in Gabon found living in a cave, with their skin turning orange from swimming in guano. It's unclear how ...

In Belize’s Actun Tunichil Muknal cave, a sacred Maya site, plants grow in darkness, sparking concerns about how tourism affects its fragile ecosystem.

Image by M. Aziz. The species is a high-altitude cave dweller known for its distinctive nose ... and is now also recognized ...

Bat populations have been on the decline in the U.S. for decades due to climate change, habitat loss and a nasty fungal disease. But one species has been making a major comeback in Tennessee: the gray ...

Image by M. Aziz. The species is a high-altitude cave dweller known for its ... recognized for hosting a colony of these bats that roost in its cool, dark depths, the researchers said.