Male jumping spiders will literally size each other up before they decide to duke it out. But it’s not just size, it’s the size difference, according to researchers who confronted live spiders using ...

Jumping spiders are known for their excellent vision. This attribute may enable them to visually size up a potential opponent and decide whether to step away from a possible fight even before it ...

Accidental chair squeaks in a lab have tipped off researchers to a new world of eavesdroppers. Spiders don’t have eardrums, though their exquisitely sensitive leg hairs pick up vibrations humming ...

Jumping spiders are known for their excellent vision and the elaborate body language they display when encountering other members of their species. These attributes may enable them to visually size up ...