Brown recluses are small spiders known for venom that can cause swelling, blistering and a fever in humans. If you’re unsure ...

The “unusual” Nelson cave spider is an ancient species and New Zealand’s largest native spider with legs over 5 inches long, ...

The first new species is Idris bianor, named after the spider genus it parasitizes, according to the study. Its body length is just 0.02 to 0.03 inches long, researchers said, and its body is light ...