There are many species with pretty scary defensive (and offensive) tactics, such as venom. These species in particular can be ...

Spiders are some of the most diverse creatures on Earth. While they can be frightening, most of them are harmless and skittish. However, some spiders are dangerous — or deadly. Several species have ...

There are nearly 3,000 spider species in North America alone, making identifying a common house spider difficult. Is it just a harmless little guy? Or a venomous predator waiting to pounce?

The bite from a brown recluse can be serious, but that doesn't mean it's always life-threatening. This is what to do if you're bitten.

These caterpillars carry a toxic chemical cocktail and Inquisition-like delivery implements—and their geographic range is expanding ...

only when it is immobilized do they inject it with venom. There are many variations on this basic practice, including some species that—in the spider equivalent of patting the head while rubbing ...