Five fingers, five toes. There's nothing magical about the number, yet five digits at the end of their limbs is a motif that runs through all the animals with four limbs, called tetrapods.

Deep in the underwater world, animals like starfish use unusual ways to escape predators. In an act called autotomy, starfish shed one or more of their limbs to flee their hunters. The severed, ...

Animal Lifeline's vets found that Lola Pearl ... but after putting the growing cat's limbs in splints and doing months of physical therapy while the legs developed, the experts determined in ...

A shoulder girdle is a very interesting part to find if you're looking at some of the earliest limbed animals, because it shows you where that limb attached into the body. When you look at the ...

Hasan Kizil has an extraordinary love for animals. As a result, he repairs injured animal limbs and builds new ones with prosthetics. Video by Oscar Durand & Özge Sebzeci. A weekly summary of the ...