Scientists have long sought to understand why sea spiders keep some of their most important organs in their legs. By Veronique Greenwood The knotty sea spider has a fundamental physical difference ...

The happy-face spider (Theridion grallator) is famous for the particularly cheery looking patterns on top of its abdomen.

female wolf spider with children, Wolf spiders are members of the family Lycosidae, on a green leaf, in a natural habitat, Kiev, Ukraine© Alexey Wraith/Shutterstock.com There are many ways that ...

The garden spider is a very common type of spider that lives all over the Northern Hemisphere. They live in various outdoor habitats, so chances are good that you’ve seen one before without realizing ...