Learn more about these fascinating arthropods as scientists continue to make amazing discoveries about spiders.
Latest about Spiders
World's biggest spiderweb discovered inside 'Sulfur Cave' with 111,000 arachnids living in pitch black
A giant colonial spiderweb in a sulfuric cave on the border between Greece and Albania may be the largest ever found — and it was built by spiders we didn't know liked the company of others.
Spiders seen keeping fireflies as glowing prisoners that draw more prey to their webs
The fireflies are kept inside the webs for as long as they glow, before being consumed.
Males of 4 never-before-seen tarantula species have record-long genitalia
'Size really does matter' The males of four newfound tarantula species have extremely long genitalia so that they can keep their distance from aggressive females during mating, researchers say.
Watch 1,000 baby spiders devour their mothers and aunties alive in stomach-turning, first-of-its-kind footage
Footage from the BBC's new nature series "Parenthood" shows African social spiders committing matricide and cannibalizing their elderly relatives. Even Sir David Attenborough was horrified.
Spider quiz: Test your web of knowledge
Quiz Are you an arach-nerd or just tangled? Take our spider quiz to find out!
Cannibalistic spiderlings won't hunt their siblings even if they're starving
Social signals stop young labyrinth spiders from hunting their siblings even when they are starving. However, the cannibalistic spiderlings quickly feed on the corpses of their brothers and sisters.
Asian hermit spider: The arachnid that gets stronger after ejecting its own penis
Female Asian hermit spiders gobble up their partners after mating, so males detach their penises and sometimes offer up an amputated leg to escape.
Watch enormous deep-sea spiders crawl around sub-Antarctic seafloor
The giant sea spiders can have leg spans of up to 20 inches (51 centimeters).
