The Xerces blue butterfly went extinct along the San Francisco coast some 80 years ago. But scientists have identified a ...

A new report shows that the population of eastern monarch butterflies has nearly doubled compared to the previous year.

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

The U.S. Fish and Wildlife Service has announced the reopening of the public comment period for a proposed rule to list the ...

Each year, millions of monarch butterflies travel thousands of miles across North America to escape the cold and find ...

A Galloway Township U.S. Fish and Wildlife Service field office responsible for protecting endangered species in New Jersey ...

Here are some activities and entertainments to enjoy in the San Fernando Valley and the greater Los Angeles area.

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

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

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

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

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