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

The resurgence of the monarch butterfly is proof that when society unites for an environmental cause, results can be achieved ...

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

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

The number of monarch butterflies overwintering this year in Mexico has nearly doubled, according to the annual census data ...

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

The reopening of the public comment period for the monarch butterfly will publish in the Federal Register Reading Room today.

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