A 500 million-year-old fossil with a spider's brain structure suggests that arachnids may have evolved in the oceans.

While most critters are relatively harmless, some can be dangerous, if not deadly. Be aware of these animals as you head ...

Covering more than 2 million square miles in South America, the world's biggest tropical rainforest hides lots of scary ...

University of Arizona researchers reviewed an "exquisitely preserved" fossil of Mollisonia symmetrica that supports the idea ...

A fossilized brain from a 500-million-year-old sea creature shows unexpected spider-like features, hinting that spiders and their kin may have evolved in the ocean—not on land.

Have you been seeing more venomous spiders in and around your Ohio home lately? Here’s how to identify them and keep them ...

Half a billion years ago, a strange sea-dwelling creature called Mollisonia symmetrica may have paved the way for modern ...

One of the creepiest, crawliest creatures of the Earth may have been swimming before adapting to live on land, new research suggests.

From the ultra-high frequency hearing of the Greater Wax Moth to the polarized light-detecting eyes of mantis shrimp, ...

Learn how a fossil from approximately 500 million years ago traces the evolutionary origins of spiders, scorpions, and other ...

12 Venezuela (image credits: unsplash) Venezuela might be famous for its breathtaking waterfalls and lush rainforests, but it’s also a hidden paradise for spider diversity. The country’s wild mix of ...

Did you know that for every person on Earth, there are roughly 2.5 million spiders? These eight-legged wonders are everywhere, but some places are true spider hotspots—overflowing with more species ...