Why did evolution produce a spider the size of a dinner plate? The Goliath birdeater offers a fascinating glimpse into life ...

The earliest evidence of spiders' fangs has been identified in a 518-million-year-old fossil by scientists at the University of Leicester and Yunnan University.

America’s largest jumping spider is a fast, visually guided predator capable of sudden directional leaps and rapid defensive strikes. Unlike web-building species, it actively stalks and closes ...