Vision shapes how many animals find food, avoid danger and navigate their world. In animals with two eyes, eye placement is ...

In the dense forests of the Ecuadorian Andes, the survival of a spider relies not only on its ability to prey on insects but ...

A timeline of the spider fossil record -- Fossils -- Living fossils -- Chance and change -- Outward and upward -- Triumph over thin air -- Small changes, big benefits -- Spinning, running, jumping, ...

Spider webs present an intriguing challenge to evolutionary biologists. These finely honed death traps come in many forms, from the trampoline-like construction of the sheet web spider, to the ...

Researchers sequenced the genome of a sea spider, revealing it lacks whole-genome duplication seen in related arachnids. This positions sea spiders near the base of the chelicerate family tree. The ...