Just a few years ago, the eastern monarch was considered endangered by the International Union for Conservation of Nature ...

The splashy monarch butterfly only lives about five weeks, but its entire survival is in question due to threats posed by ...

These late-blooming plants native to North America help feed butterflies — especially monarchs-— at a crucial point.

One butterfly comes so far, and then it will stop to reproduce, and then the offspring from that monarch will emerge from the ...

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

As monarch butterfly populations tragically plummet, Mesa is one of the latest cities to join in on national efforts to save ...

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

If you want to observe the monarch butterflies up close, you may want to take a road trip to the only butterfly house in ...

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

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

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 ...