what's inside: insects & arachnids

Insects and arachnids are the most popular wild animal on Earth. Read our collection of articles discussing all sorts of ants, bugs, butterflies, spiders and just about every other type of insect and arachnid.

Insects

Insects

While there are a million different types of insects, all have a hard exoskeleton which is segmented into three parts. In fact the word "insect" is derived from the Latin meaning segmented. See more »

Arachnids

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. See more »

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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.

videos: all kinds of insects

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How Wasps Work

Despite the fact you'll never find anything called "wasp honey," wasps perform a vital service by helping to pollinate the world's plant life -- and eliminate various six- and eight-legged pests.

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How Colony Collapse Disorder Works

Wonder what would happen if everyone you knew disappeared? Don't call the authorities yet. A mysterious condition called Colony Collapse Disorder affects beehives, causing some bee populations to vanish and possibly die.