Tens of millions of monarch butterflies are on an epic aerial journey home. They've spent the winter hanging out in trees in a forest on a remote mountain in Mexico, resting up after flying all ...

If there is no bird more American than the eagle, there is no butterfly more American than the monarch. Breathtaking and resilient, the monarch butterfly completes one of the most astounding ...

The U.S. Fish and Wildlife Service said it is reopening the public comment period for a proposed rule to list the monarch ...

After flying some 3,000 miles from the northern U.S. and Canada to a remote forest in Central Mexico for the winter, tens of millions of monarch butterflies are making their way back north.

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about one of Earth's ...

Did you know that Disney is leading the collection of research on monarch butterfly migration patterns and feeding behaviors?

Following a migration that started in Mexico, monarch butterflies have reached Michigan. Here's where they've been spotted.