Latest about Arachnids
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.
'Backward' brain of ancient sea creature hints spider ancestors evolved in the ocean
The tiny 'backward' brain of an ancient sea creature hints that spider ancestors might have gotten their start in the ocean.
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.
Multiple species of ticks in the US can transmit red meat allergy, CDC reports reveal
A single bite from one of several tick species can trigger a months-long meat allergy.
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).
