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

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

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

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

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

The eastern monarch butterfly population nearly doubled in 2025, but the numbers remain far below the long-term average.

National Plant a Flower Day is all about celebrating the beauty of flowers. Planting them can also help save pollinators like ...

A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between ...

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

The monarch butterfly population has rebounded from a near record low number in 2024, according to the latest annual survey ...

Butterflies are vanishing nationwide due to habitat loss, climate change and use of insecticides, according to a new study, ...

A study recently published in the journal Science determined that the butterfly population across the continental U.S. has ...