The Trump administration is reopening public comment on a proposed rule that would list the monarch butterfly as threatened ...

The Trump administration said Tuesday that it is reconsidering adding protections to the monarch butterfly as a threatened ...

Monarch butterfly populations are declining, with western numbers at a record low, prompting conservation actions.

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

And March 12 is National Plant a Flower Day, the perfect day to bask in the sunlight and plant flowers that will help pollinators like the endangered eastern monarch butterfly. The sun is out ...