This Spider's Mate Breaks Her Genitals So She Can’t Have Sex Ever Again

Male animals can be greedy about paternity. They’ve evolved a ton of different strategies to help them monopolize a female’s eggs. Beating up rivals is a general favorite. Some species use long bouts of sex to keep females away from new mates. Still others stop up female genitals with gooey plugs or bits of broken… »11/10/15 1:40pm11/10/15 1:40pm

Male Black Widows Go To Crazy Lengths To Keep A Female To Themselves

You probably already know male black widow spiders are risking their lives when they go courting—but it’s actually worse than that. They face tough competition for the “honor” of mating. Once a virgin black widow female puts up a pheromone-laden mating web, males run in from all around to try their luck. »7/16/15 6:40pm7/16/15 6:40pm

How Male Spiders Can Feel Sex Even Without a Penis

Male spiders don’t have a penis – all their sex is digital. After ejaculating onto a tiny piece of webbing, a male sucks his sperm into a chamber at the tip of one of the short limbs on his head. Once he convinces a female to accept him, he’ll push that appendage inside her genital opening and (hopefully) make some… »7/09/15 2:40pm7/09/15 2:40pm

4-acre spider web may be the grossest thing you will see this Halloween*

This report on a 4-acre spider web covering a building has made shiver and curl in disgust. You are looking at the Baltimore Wastewater Treatment Plant, where 4 acres of their facility were covered by a spider web made by an estimated 107 million spiders. That's 35,176 spiders per cubic meter! »10/31/14 4:08pm10/31/14 4:08pm