Why did evolution produce a spider the size of a dinner plate? The Goliath birdeater offers a fascinating glimpse into life on the Amazon forest floor.

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 ...

A Tangled Scientific Identity For years, the Malaysian tiger tarantula posed a real puzzle to scientists and enthusiasts.