A fossilized spider unearthed in the grasslands of eastern Australia has turned out to be the largest of its kind ever discovered on the continent—and possibly one of the largest fossil spiders found ...

A new analysis of an exquisitely preserved fossil that lived half a billion years ago suggests that arachnids—spiders and their close kin—evolved in the ocean, challenging the widely held belief that ...

Whether you love spiders or can't be within 10 feet of them, you probably think of them crawling around on land. And based on the fossil record, most researchers would probably say the same thing. For ...