As monsoon storms roll in across Southern Arizona, so do poisonous toads, posing a serious danger to your pets.

Most of the bees in Arizona are Africanized "killer" bees. Here's what happens if you get stung by a killer bee and how to ...

Tomatoes were reviled for centuries—so how did we come to embrace them? This small New Jersey town claims to have played a major role.

The Arizona bark scorpion (Centruroides sculpturatus) is the most venomous scorpion in North America. Don’t let its small ...

A very mild winter and unusually warm temperatures have caused scorpion populations to explode in Arizona. Learn how to ...

This review presents the main species of venomous and poisonous arthropods, with commentary on the clinical manifestations provoked by the toxins and therapeutic measures used to treat human ...

Of course, not everyone agrees on what qualifies as a “pest.” So proceed with care for the ecosystem, says Brown. “I leave spiders that are in my house because they’re going to be eating whatever is ...

Nature showcases diverse defense mechanisms among animals, some delivering exceptionally painful bites and stings. Creatures like the Arizona Bark Sco ...

Meyerson defines invasive species as "non-native species introduced either intentionally or accidentally by humans outside of ...

While most people are wary of copperhead snakes and black widow spiders, there are other potentially dangerous creepy crawly ...

Black widows are a well-known dangerous spider, but what about brown spiders? Are there any brown spiders in California that are venomous? Let’s find out about 10 common brown spiders in California.

Things that are poisonous will get you when you eat them or drink them or maybe handle them. Things that are venomous are delivering the venom to you with a bite. Some snakes and spiders are venomous.