The monarch butterfly's annual migratory journey from Mexico to the U.S. and then Canada is a breeze compared to the federal ...

Mesa Mayor Mark Freeman signed a National Wildlife Federations Mayors' Monarch Pledge on Wednesday in an effort to strengthen ...

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

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

The number of monarch butterflies that spent the winter in Mexico doubled this year, giving hope for a species that has faced ...

Mesa Mayor commits to monarch butterfly conservation by signing the National Wildlife Federation's Mayors' Monarch Pledge.

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

The monarch was placed on a waitlist until last December, when the agency formally proposed the butterfly's Endangered ...

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

This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch ...

A study compiled data from more than 76,000 butterfly surveys across the continental U.S. The declines seen in the last 20 ...

The U.S. Fish and Wildlife Service is opening a second comment period as they work to list the monarch butterfly on the ...