But with most animals, changes are slight and often imperceptible. A lot of changes are hormonal and chemical shifts that ...

2000 years ago, the Roman writer Ovid wrote a long poem based on Greek myths that gained immortal fame. In “Metamorphoses” (from the Greek word meaning "transformations") the poet tells ...

One new theory: Metamorphosis gives animals greater access to food. By Carl Zimmer As a child growing up in the Netherlands, Hanna ten Brink spent many days lingering by a pond in her family’s ...

But frogs aren't the only animals that go through metamorphosis. Butterflies also go through a lot of changes during their life cycle.A female butterfly lays her eggs on a leaf out of which ...

The Sulawesi drawings could also be the oldest animal drawing ever found. Last year, a cave painting in Borneo - thought to be the oldest of an animal - was found to be at least 40,000 years old.