A member of the tarantula family, the Goliath birdeater takes the prize for the heaviest spider in the world. As is the case with many spiders, the females are bigger than the males because they ...

The Black Widow and Funnel-Web spiders are among the most venomous arachnids, each possessing potent neurotoxins that can ...

There is a popular animal "fun fact" that says daddy longlegs are the most venomous spiders in the world, and the only reason they don't kill humans is that their fangs are too small to penetrate ...

Venom evolved hundreds of millions of years ago, creating a chemical arms race between predatory and prey. Here are some of the most venomous animals living on Earth.

Arachnologist Maydianne Andrade’s lab at the University of Toronto Scarborough is home to as many as 100,000 black widow ...

The brown recluse and black widow are the most common venomous spiders in the U.S. and Alabama. What are their habitats and how to prevent a bite.

What's the size of a dinner plate and lives in a cave? It's not the heaviest, but this Asian spider is the world's biggest.

Did you know North Carolina is home to two of the most venomous spiders in the U.S.? Many NC residents are well aware of these two fearsome species, but the effects of their bites might surprise ...