In elementary school, we learn that caterpillars turn into butterflies and moths through a process called metamorphosis. But what really goes on within the hardened chrysalis has continued to puzzle ...

As children, many of us learn about the wondrous process by which a caterpillar morphs into a butterfly. The story usually begins with a very hungry caterpillar hatching from an egg. The caterpillar, ...

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. “What happens inside a chrysalis during metamorphosis?” asked Chris, writing from ...

Have you ever watched a caterpillar transform into a butterfly? A caterpillar does this through a process that requires it to stop eating, hang itself upside down from a twig, wiggle from its skin ...

Teacher Melissa Good shares how the work of kindergarten scientists is taking flight at Conneaut Valley Elementary School.

You see monarch caterpillars, you see monarch butterflies — but why don't you see a monarch chrysalis? Here's what makes them ...

One of the best-loved sights outside is a brightly colored butterfly. Surprisingly, the life of the showy butterfly depends on the humble, inconspicuous caterpillar that precedes it. Fritillaries, ...