I talked about your question with my friend Allan Felsot. He’s an insect scientist at Washington State University. He told me cocoons are mostly silk. But they’re usually made by moths. A butterfly ...

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 ...

Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with the wonders of the universe as she is. When she's not daydreaming about flying through space, she's daydreaming ...