As the sunlight hours get longer and the temperatures begin to climb, I’m eager to start enjoying more time in my yard. Soon, I’ll be filling the planter boxes on my deck with colorful flowers. Last ...

Butterfly wings may be quite thin, but they are also durable and strong. This strength comes from the material that makes up the wings: chitin (pronounced kite-in). Chitin is a kind of building ...

So tiny you’d probably never notice them, the El Segundo blue butterfly seems to be turning into an ecological success story. And biologist Ann Dalkey aims to keep the trend going. She recently led a ...