By drawing water into an internal, muscular cavity and forcefully expelling it through a flexible, narrow tube, known as a siphon, cephalopods are able to create forward thrust, propelling themselves ...

Shrubbery, toolsheds, basements—these are places one might expect to find spiders. But what about the beach? Or in a stream? Some spiders make their homes near or, more rarely, in water: tucking into ...

Anyone who has watched a daddy longlegs spider move across a wall or garden floor has probably noticed something that feels slightly off. Even though it clearly has eight legs, it often appears to ...