Arthropods may use antennae to touch, smell, and even hear the world. But that doesn't mean that all of these appendages look the same. From featherlike to clubbed, see the wide variety of antennae.

Did you know grasshoppers have two different types of eyes, or that they smell the world with their antennae? Zoom in on this arthropod's fascinating features.

The tibia's connected to the femur; the head's connected to the prothorax ... Learn the parts that make up an insect with this illustrated guide to a grasshopper.

When you look down at a spider crawling on the sidewalk, do you know what you're looking at? Find out with this illustrated guide to the parts of a spider.

If you want to know if you're holding a female, flip it over and look for the lung slit and epigynum. Get a close-up view of what both these parts look like.

Chances are you know that butterflies and moths go through a metamorphosis. But did you know that the same is true for silverfish? Learn more about the two types of arthropod metamorphosis.