Arachnids

Researchers believe that one of the new species may be a relic from an ancient ecosystem in Australia.

From spiders the size of dinner plates, to others with inch-long fangs, these mythically-large arachnids roam the earth.

Spiders' ancestors evolved to use their appendages in very weird ways.

Spiders in the Uloboridae family wrap their prey in copious amounts of silk and cover them in toxic fluids before starting their feast.

Spider mites engage in a bizarre mating ritual that has never been observed before in any animal species.

Joro spiders have spread all over Georgia and its neighboring states, but they don't owe their success to a combative nature — quite the opposite, in fact.

A tiny jumping spider's imperfect ant impression lets it mimic multiple species, enabling it to live in various habitats.

Although nearly all spiders are venomous, a few stand out from the crowd for their potent toxins. So, which spider is the deadliest in the world?

Researchers have found that undernourished bold jumping spiders begin to lose light-sensitive photoreceptors.

Researchers have determined the cause of an unusual behavior in funnel weaving spiders that involves the females curling up as if they're dead before having sex.