The monarch butterfly life cycle begins with a whirl of wings in the heat of the summer sun. As a female monarch sips nectar ...

The journey of a migrating monarch is one of the most amazing stories on the planet. These fragile creatures travel thousands ...

With a flutter and flap of wings, monarch butterflies soar through the air and float from flower to flower at the DeSoto National Wildlife Refuge in Iowa. Everyone in the Ivey-Caldwell family gives ...

It's been an unusually hot fall in Texas, and that may explain why the iconic southbound march of the monarch butterfly ...

Butterflies sit on a pine tree at Monarch Grove Sanctuary in Pacific Grove, Calif. Researchers say that the population of western monarch butterflies is well below what it used to be. One of the most ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MEXICO CITY (AP) — The number of monarch ...