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Animals | Wild Animals | Arachnids

Arachnids have four pairs of jointed legs, two body sections and simple eyes. Arachnids are aggressive predators and include spiders, scorpions, mites and ticks.

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How Spiders Work

Love 'em or hate 'em, you've got to admit that spiders are some pretty impressive animals. Movies like "Arachnophobia", "Spider-Man" and "Eight Legged Freaks" even spin their stories around spiders. Check out the real-life web-slinging, wall-crawling, venom-injecting inspiration.


10 Myths About Spiders

10 Myths About Spiders

Spiders often incite fear, worry and more, but really these creatures are typically benign. Learn 10 myths about spiders at HowStuffWorks. See more »

Do we really swallow spiders in our sleep?

Do we really swallow spiders in our sleep?

Spiders generally have no desire to be eaten, but accidents happen. Learn if we really swallow spiders in our sleep at HowStuffWorks. See more »

Do daddy longlegs really have powerful venom?

Do daddy longlegs really have powerful venom?

The daddy longlegs generally doesn't top lists of the scariest spiders. But should it? Learn just how poisonous daddy longlegs are at HowStuffWorks. See more »

Do black widows eat their mates?

Do black widows eat their mates?

Female black widow spiders have a reputation for eating their mates. Learn more just how cannibalistic black widows are at HowStuffWorks. See more »

10 Amazing, Beautiful, TERRIFYING Spiders

10 Amazing, Beautiful, TERRIFYING Spiders

Spiders have been on Earth 380 million years. Here's HowStuffWorks' list of 10 amazing, beautiful and terrifying spiders. See more »

How to Identify Black Widow Spiders

How to Identify Black Widow Spiders

How to identify Black Widow Spiders. Visit HowStuffWorks to learn more about how to identify Black Widow Spiders. See more »

The Ultimate How Spiders Work Quiz

The Ultimate How Spiders Work Quiz

Spiders are fascinating but frightening creatures for most people. Take our quiz to learn more about what makes spiders such an impressive little animal. See more »

The Ultimate Spider Quiz

The Ultimate Spider Quiz

They may not be dangerous, but there's something about spiders that freaks people out. Take our quiz to learn more about spiders. See more »

Arachnid Pictures

Arachnid Pictures

Arachnids include spiders, mites, ticks, harvestmen, chiggers and scorpions. Learn more by viewing these arachnid pictures. See more »

What is a spider's silk made of?

What is a spider's silk made of?

What is a spider's silk made of? Spider's silk is made up of chains of amino acids. Learn more about spider silk and spiders. See more »