A new report from WWF‑Mexico shows that the endangered migratory eastern monarch butterfly is showing promising signs of ...

Mexico's monarch butterfly population jumped 64% in 2026, offering hope even as experts warn the species remains at risk of ...

The population of the iconic species is shrinking in the long term, but continued conservation efforts can help save it.

Two new reports estimate a 64% increase in species population and a significant decrease in forest degradation in the ...

The endangered monarch butterfly migrates thousands of miles across the Americas. A new Bluetooth-enabled smartphone app ...

The insects covered its largest area since 2018, despite threats from habitat loss, climate crisis and pesticides ...

A key monarch butterfly population is showing signs of improvement this year, but scientists warn the species remains in long ...

A first look at new research from the forests of central Mexico.

Migratory monarch butterfly populations have been in decline for decades, but in 2025 there were roughly 64% more monarchs ...

Monarch butterfly numbers are flying higher, but they still have many miles to go. According to a pair of 2025-2026 reports ...

An annual count of monarch butterflies conducted by the United States and Mexico as the insects migrate back and forth over ...

The monarch butterfly, Texas' official state insect, is in the middle of its 2,200 mile migration from Canada to Mexico — and you may be just in time to witness the remarkable journey. When is peak ...