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 ...

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 ...

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