The giant huntsman spider, found in Laos, holds the record for the largest leg span at around 12 inches. It prefers to hunt instead of building webs. Prehistoric spiders tended to be larger on average ...

The fungus, named Gibellula attenboroughii, changes the behavior of cave-dwelling species of orb-weaver spiders. Orb weavers are known for their classic, geometric webs. The infected spiders ...