Monarch butterflies gather at their wintering colony in the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico. “So for over a decade now, the colonies haven’t really changed in size.

Christina-Taylor Green’s love of butterflies, evident in her colorful artwork, is now helping to restore a butterfly phenomenon. The newly-upgraded Christina-Taylor Green Memorial River Park ...

Arizona doesn’t get swarms of monarch butterflies migrating between their summer habitats up north and the mountains of Mexico where they spend the winters, but they are a dependable presence.

Hosted by Meghna Chakrabarti, On Point is a unique, curiosity-driven combination of original reporting, newsmaker interviews, first-person stories, and in-depth analysis, making the world more ...

General colors in these mid-sized butterflies are usually white or yellow, while some species have orange-tipped wings or greenish marbling on the wings. The Cabbage White, perhaps the most common U.S ...