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

What sounded like leaves rustling in the wind was the flickering wings of thousands of monarch butterflies as they flitted ...

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

The population of the eastern monarch butterflies in Mexico doubled this past winter season, according to a WWF survey.

The number of monarch butterflies overwintering this year in Mexico has nearly doubled, according to the 2025 annual census.

During the spring and summer, butterflies will begin to either emerge from chrysalis or begin migrating. Here's when to see butterflies in Louisiana.

Mexican officials and environmental groups say better weather conditions on the butterflies’ migration route caused the ...

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