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.


Spider silk adds another notch to its belt of amazing properties.

Spiders not only eat more meat than humans every year, they also spend a lot of time getting eaten themselves.

Sharing's generally regarded as a desirable behavior among humans. But for some social spiders, it can be the death of them.

A new study documents worldwide instances of arachnids turning to plants and vegetation for nutrition and sustenance.

Researchers had to use special high-speed cameras recording at up to 40,000 fps to even witness the 'lightning speed' chelicerae jaw structures snapping shut.

An oar-shaped protrusion of microscopic hairs on the legs of a grain-sized spider is bringing sexy back to the arachnid kingdom.

Publicity ploy or not, many surprising folks have insects named after them.

A million spiders cooperating to spin a web the size of a parking lot? It’s not just a B-movie plot; it’s happening right now.

We think we know all about spiders — they spin webs to trap prey; if they bite you, you might die. And if you find one in your house, you should set it free. But what if all these beliefs are a web of lies?

Worried about creepy crawlies entering your mouth while you sleep? Relax -- spiders have no interest in being eaten.

With its long legs and goofy way of motoring about, the daddy longlegs generally doesn't top lists of the scariest spiders. But should it? After all, if legends are to be believed, it's one of the most poisonous spiders of all.

It's good to be a little skeptical sometimes. Otherwise, we might believe the moon really is made of cheese or that the world is going to run out of bananas soon. So when people say female black widows eat their mates, we're not biting.

Spiders have been on Earth a whole lot longer than we have — 380 million years, to be precise — and number more than 38,000 separate species worldwide. Explore 10 of the most beautiful and scary of these arachnids.

Since the black widow spider is one of the more (in)famous species of venomous spiders, it's important to know how to identify it so you can steer clear. This article shows you how to identify black widow spiders.

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

Spider silk is five times stronger than steel and twice as strong as bullet-proof Kevlar. What exactly is spider silk, what is it made of and why is it so strong? Find out the answers to these questions and learn other facts about spider silk.

Scorpions have been around for 450 million years. But the species hasn't been sustained by a healthy, vibrant diet: This opportunistic eater would rather wait for food to come to it than go out hunting for it. So how many meals does that amount to?

If looks could kill, bristly tarantulas would be the spiders to watch out for. But violins and hourglasses are far more cause for concern.

Studies have shown that you're never more than ten feet away from a spider is and one estimate puts you as close as three feet. Check out some more spider facts.

If you have ever been out in the woods or an open field in spring, summer or fall, you may have gotten chiggers around your waistband or on your ankles. They leave red, itchy bumps on your skin. Learn more about these arachnids.

Chiggers are tiny arachnids that are known for delivering bites that itch intensely. Find out how chiggers work and learn about the chigger reproduction cycle.

Ticks are parasites that feed on the blood of their hosts -- human or otherwise -- and are known for carrying diseases. Learn all about ticks, including how to remove them.

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.

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