Shutterstock A hiker’s paradise… and a critter’s playground. When you hike through Arizona’s beautiful desert, you’re walking through one of North America’s most incredible outdoor habitats. But ...

Learn to identify and treat dangerous spider bites with expert advice on symptoms, treatments and prevention methods for the ...

Two venomous spiders, black widows and brown recluse spiders, can cause severe symptoms, experts say. Here are spider bite ...

The redback spider (Latrodectus hasselti) is one of Australia's most iconic arachnids. It's a member of the widow spider family, closely related to the black widow spider. They're famous for their ...

You're more likely to spot egg sacs than the spider eggs themselves. Spider egg sacs (not "egg sacks") are small, round or teardrop-shaped bundles made of silk. They're often white, cream or pale ...

The brown widow spider (Latrodectus geometricus) is a lesser-known relative of the infamous black widow. The first brown widow spider was discovered in Los Angeles in early 2000. A member of the ...

"Most scorpions are likely capable of spraying venom. They just don't do it. This extreme behavioral response is only known ...

The Sydney funnel-web spider is the most venomous in the world. This scientists already knew since it has 13 people have been reported to have been killed by it. What some Australian scientists didn’t ...

Two kinds of widow spiders are found in California: the black widow and the brown widow ... in the state and has the same behavior and venomous capacity but is seen less often.

Australian scientists have discovered a new species of the deadly funnel-web spider that is bigger and more venomous than its relatives, nicknaming it "Big Boy." In research released Monday ...