She says when male and female insects look different, that is called sexual dimorphism – and this can happen in a variety of ...

Add Yahoo as a preferred source to see more of our stories on Google. Among the most venomous animals in the world, it is not surprising that snakes snatch the top spots. Depending on the species, ...

Early in development, many animals pick a team—male or female—based on their genetics, and, with time, acquire the characteristics to match. New research from the Marine Biological Laboratory (MBL) ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A brown recluse is seen in this file photo. It is one of several species of spider you may spot inside your Kentucky home this fall. stphillips Getty Images Most spiders mature in late summer or fall ...

It is mid-October in the Rockies, which means it is almost time to break out winter gear. As you dig through your garage to swap summer sandals for winter boots, do not be surprised if you disturb the ...

Brown recluse spiders are present in Louisiana, and these spiders have necrotic venom and bites sometimes require medical attention. Brown recluses can be characterized by a distinct dark brown, ...

Mississippi is home to over 30 types of spiders, including six venomous species. Brown recluses are often found indoors in undisturbed areas like closets, boxes, and shoes. Preventing infestations ...

You reach into a pair of boots you haven't worn since last winter, and out scurries a small, brown spider. Was that just a harmless house spider or something more dangerous? While most spiders you'll ...