You would think that a spider with legs over a foot wide is the stuff of fiction or nightmares. No, these massive spiders ...

Sulfur caves are among the most extreme habitats on Earth. They are completely dark and filled with hydrogen sulfide gas, which is toxic to most life-forms. Inside, species’ survival depends on ...

A remote cave system nestled along the border of Greece and Albania has revealed what may be the largest known spider colony on Earth—and possibly the largest web ever documented. The discovery, made ...

Currently, more than 46,000 spider species stretch their eight legs in habitats across the world, in every country and continent except Antarctica. And those are only the ones scientists have been ...