Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and emerge as ... than the average butterfly, who flaps about 20 times a second. In the ...

It takes 10 days to two weeks for a monarch to transform from a pupating caterpillar to an adult. “I fell in love with ...

The U.S. Fish and Wildlife Service said it is reopening the public comment period for a proposed rule to list the monarch butterfly as a threatened species under the Endangered Species Act.

There's nothing quite like seeing a Monarch butterfly spread its wings and glide through the air. It can certainly provide a sense of calm to life's everyday stressors. But the monarch's numbers ...

Monarch butterflies are making their annual journey north out of Mexico to their summer breeding grounds. See where they've been spotted in Oklahoma.

The Trump administration said Tuesday that it is reconsidering adding protections to the monarch butterfly as a threatened species under the Endangered Species Act. The U.S. Fish and Wildlife ...

Before entering the conservatory, visitors begin with a viewing of "Flight of the Butterflies" in the 3D theater to gain a better appreciation for a monarch ... by the Butterfly Emergence Gallery ...

In a turn of events, the eastern monarch butterfly population — which was put on the list of endangered species just a few years ago — nearly doubled this year, according to a March report ...

Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and emerge as ... than the average butterfly, who flaps about 20 times a second. In the ...