Scientists have decoded the sea spider’s genome for the first time, revealing how its strangely shaped body—with organs in ...

Scientists have long sought to understand why sea spiders keep some of their most important organs in their legs.

The spider was successfully removed by doctors at a hospital in Taiwan. An image shows the spider (front) and its molted exoskeleton (back) inside the woman's ear. Liyin Weng and Tengchin Wang ...

Spiders have two clusters of neurons called ganglia: one above the esophagus, one below it. This brain’s critical input comes from thousands of sensors along the spider’s exoskeleton called ...

Unlike mammal hair, which is made of keratin, tarantulas' hairs, called setae, are made of chitin, a derivative of glucose that also makes up the structure of a spider's exoskeleton.