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

The earliest evidence of spiders' fangs has been identified in a 518-million-year-old fossil by scientists at the University of Leicester and Yunnan University.

A new study challenges traditional views on arachnid evolution, suggesting that the transition from water to land occurred multiple times rather than in a single event. The research also highlights ...

This Halloween, learn how arachnologist Hannah Wood uses the fossil record to track the evolution of these misunderstood critters Ellyn Lapointe Smithsonian scientist Hannah Wood rifles through leaf ...

The huntsman spider is the fastest spider around. (Simon McGill/Moment/Getty Images) If you already find spiders creepy ...

Sometimes, the best survival strategy is disguising yourself like something no one wants to eat, much less mess with and dig around in: bird poop. That is the approach taken by newly discovered spider ...

Spiders’ ability to spin webs may be one consequence of a really big genetic mistake. A close look at the genetics and development of spinnerets — spiders’ silk-making organs — reveals that an early ...