Arachnids

Like the white-armored and -helmeted Stormtroopers from "Star Wars," these spiders are tough to tell apart.

In the Amazon lowlands, spiders as big as dinner plates dine on opossums.

A new species of tarantula has something in common with the mythical unicorn — a prominent "horn."

Sometimes spiders scare people so much that the cops have to deal with it.

There's a whole range of reasons you don't want to be bitten by a black widow spider, but you probably wouldn't think that losing the ability to pee is one of them.

Don't worry; it's for mating.

Ever wonder what it looks like when 1,400 tarantulas are born all at once? Wonder no more.

They're showing up in major population centers in the Great White North.

Scientists praise Kidman's heroic act.