Technically, all spiders are at least slightly venomous. However, the vast majority of species in the United States are not ...

Deep in the humid rainforests of India’s Western Ghats lives a creature that looks more like a colorful digital glitch than an actual living animal. Formally known as Cilantica devamatha (previously ...

Spiders' social tendencies appear to stem from what Dr. Penna-Gonçalves calls being "lazy to launch," where young spiders stay home longer instead of dispersing after their first molt. "In those ...