Costa Rica's Alajuela Province is home to the deadly 'Cave of Death,' where carbon dioxide continuously seeps, creating an ...

Most of them have no eyes or pigment, among other adaptations to the environment. Since there is a total lack of sunlight in the cave, the food chain depends on chemosynthesis as opposed to ...

Finding the new millipede in the aphotic zones of both caves suggests it is “specialized to the cave environment,” according to researchers. Thousands of new species are found each year.

Scientists identified the tiny species of cat from a fossilized jawbone, which could date back as far as 300,000 years ago.

A new zombie pathogen has been discovered in Ireland. This insidious fungus infects cave spiders and alters their behavior to ...

The prehistoric human skull found in the Petralona Cave in Northern Greece challenges the Out of Africa theory of the origin of Homo sapiens ...

The Southern Environmental Law Center said in a release that the agreement requires the United States Fish and Wildlife Service to reconsider classifying the Berry Cave salamander as either ...