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

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

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

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

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

Monarch butterfly populations are plummeting, with a shocking 96% drop recorded in the Western Monarch Count. Scientists warn ...

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

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

The peak of the spring monarch butterfly migration in Texas typically occurs from late March to early April. See where on ...

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

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about the fascinating, fragile traveler.

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