In Telford's Exotic Zoo, life found a way. A casque-headed iguana has given birth to eight babies at the Shropshire wildlife park – without any contact with a male, via a phenomenon called ...

The common smooth-hound shark is listed as endangered. Solving the mysteries of its reproductive behaviors helps scientists learn how to keep the species alive. Getty Images/iStockphoto Female sharks ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. For most species on Earth, the ultimate goal of life is to ...