(CNN) -- The next time you see a spider crawling around your house, look at the bright side. It's probably feasting on a bunch of other insects and providing you with free pest control. A new study ...

In a study published in the online journal Science of Nature on March 14, researchers set out to put a value on the ecological importance of arachnids, reports the BBC. There are over 45,000 species ...

All the spiders in the world combined annually eat about 440 to 880 million tons of insects and other pests — equal to the weight of more than 85 million elephants, according to a new study. That's a ...