Bites from brown recluse spiders can cause an autoimmune form of hemolytic anemia, in which red blood cells are destroyed by the immune system.
Learn more about these fascinating arthropods as scientists continue to make amazing discoveries about spiders.
Researchers have turned dead wolf spiders into machine grippers that can be used to pick up a variety of objects, including other spiders, by blowing air into their lifeless corpses.
Male spiders that dance to their own beat are more likely to win mates compared to those that stick to a formula, new research finds.
Once mating is over, male orb-weavers catapult off the bodies of females to avoid being eaten, moving at a speed that's too fast to glimpse with the naked eye.
REFERENCE Wolf spiders are a large family of hairy and athletic arachnids that chase down prey on the ground rather than catching food in webs.
Invertebrate butts are both diverse and bizarre, and are being celebrated on Twitter in art, photos and video.
Scientists discovered a new type of parasitic worm that only infects the mouths of tarantula spiders.
The Brazilian wandering spider, also called the banana spider, is one of the planet's most venomous spiders.
Reference Huntsman spiders are long-legged predators that hunt down their prey. Giant huntsman spiders are one of the world's biggest spiders.
Jumping spiders are a diverse bunch. Some are drab, while others sport a dazzling array of colors and patterns. And they really can jump.
The Australian Reptile Park recently welcomed the biggest funnel-web spider that the keepers had ever seen.
Arachnophobia is a fear of arachnids, a group of arthropods that includes spiders, scorpions, ticks and mites.
Scientists have created an altered version of daddy longlegs with shortened and morphologically altered legs by suppressing the genes behind the development of their long legs.
Venomous spiders prey upon snakes many times their size, a new study finds — and often emerge victorious against snakes as venomous as they are.
From the Goliath birdeater tarantula to black widows, spiders are not shy around deadly snakes, often taking down the juveniles and feasting on their meaty bodies for days.