Out of the 900 baby lizards created by breeding Mr. Frosty (pictured above) with various other leopard geckos, 80 percent developed tumors before they were five years old. L. GUO ET AL/PLOS GENETICS ...

Not sure whether your leopard gecko is male or female? Thankfully, determining the sex of one of the adorable little lizards is fairly easy once they reach a certain age and size. Like many reptiles, ...

Aside from the furry critters you see during your pet store visit, such as cats, dogs, rabbits, hamsters, and guinea pigs, reptiles are a popular choice to have as a pet. One of the most popular pet ...

BROOKFIELD, Ill. -- There's a population explosion going on at the Brookfield Zoo. There were eight new births in just the past few days. But the new creatures are so small you might not ever notice ...

This column is part of a series where Verge staffers post highly subjective reviews of animals. Up until now, we’ve written about animals without telling you whether they suck or rule. We are now ...