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

Monarch butterfly populations are declining, with western numbers at a record low, prompting conservation actions.

The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

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 ...

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

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

The monarch butterfly's annual migratory journey from Canada to Mexico is a breeze compared to the federal government's ...

Monarch butterflies now confront the Trump administration with its first big Endangered Species Act test, as a lively public comment period is set to end and the serious decisionmaking will begin.

And March 12 is National Plant a Flower Day, the perfect day to bask in the sunlight and plant flowers that will help pollinators like the endangered eastern monarch butterfly. The sun is out ...

MEXICO CITY, Mexico — The number of monarch butterflies wintering in the mountains west of Mexico City rebounded this year, doubling the area they covered in 2024 despite the stresses of climate ...