Like Peter Pan, the alpine newt sometimes refuses to grow up. In their juvenile form, these alpine newts slurp up plankton in the icy mountain pools they call home, as high as 8,000 feet above sea ...

Most species undergo metamorphosis, but scientists aren’t sure why the process evolved. One new theory: Metamorphosis gives animals greater access to food. By Carl Zimmer As a child growing up in the ...

Metamorphosis is the process by which an animal undergoes a fundamental and quite rapid change in body structure and ecology during its lifetime. Many species of invertebrates and vertebrates ...

All animals have a life cycle, but they can be very varied and different. As part of their life cycle all animals, including humans who are animals too, have offspring which grow into adults. Humans ...