Sulfur cave spiders build an arachnid megacity and possibly the largest-ever spider web

Researchers may have discovered the world's biggest spider web, a massive subterranean structure spanning over 100 square ...

How a decades-long effort to clean up a cave led to the revitalization of a small Kentucky town

Putting in a modern sewer system in 1989 allowed the town to open Hidden River Cave to visitors. Building the stairs, trails and a museum cost an additional $6 million, which came from grants and ...