A waxy monkey frog, a chameleon and an elephant are some of the world's rarest and most stunning species. Photographer Joel Sartore captures these beautiful zoo animals in striking portraits. Sartore, ...

Researchers have developed a theoretical framework that can reproduce and predict the patterns associated with gastrulation in a chicken embryo. Gastrulation is one of the most important phases in ...

Madagascar has many “mini” creatures. These include a recently discovered group of miniaturized frogs as well as the discovery earlier this year of the smallest reptile on earth – the Brookesia nana, ...