A team of researchers has reported for the first time the live birth of a monkey that contains a high proportion of cells derived from a monkey stem cell line. This 'chimeric' monkey is composed of ...

Three newly-identified toad species in Tanzania give birth to live young, skipping the frogspawn and tadpole stages — an "exceptionally rare" trait among toads and frogs.

Many of us know snakes are ectothermic reptiles that regulate their body temperature behaviorally by using shade, burrows, warm rocks, and even metabolic heat from digestion. But not everyone is aware ...