Telling the difference between these two brown spiders is the first step. Some of the best clues are their markings, their ...

A hand-sized spider from East Asia is quietly colonizing the Great Smoky Mountains, and park officials need your eyes to ...

A research team has found that a common spider kills its prey with poison but does not inject it into them—instead, it covers them with a web of silk and then covers the silk with regurgitated toxins.

The short answer: they can bite, but there's more than that to the story. Here's what you need to know about this beautiful, ...