Beneath Mount Erebus, researchers have found a hidden underground ecosystem that could rewrite history. This hidden world may ...

Located at the bottom of an abyss in Albania, the world's biggest underground thermal lake is a one-of-a-kind natural wonder ...

Underground chapels around the world each hold a distinct charm. Some of the most famous ones are located in the Wieliczka ...

But there is more to this subterranean world than gigantic geological formations. It is also ground zero for a microbial war that’s been raging for thousands of years, right beneath our feet.