Joro spider webs sometimes pop up in noisy spots. To figure out why, researchers measured spider heartbeats. Joro spiders (Trichonephila clavata) first arrived in the U.S. over a decade ago, and ...

If you discover a cellar spider in your home, you usually want to get rid of it as quickly as possible. With their long, thin ...

Close-up glowing spider web or cobweb with dew hanging on the grass in the early morning. Golden sunrise shines on spider web and grassland in the background. Focus on cobweb.© Tanes ...

Scientists offer a new idea for why orb-weaving arachnids add decorations known as stabilimenta to their webs. Trilobites Scientists offer a new idea for why orb-weaving arachnids add decorations ...