Suitable milkweed habitat in Mexico may shift south, fracturing existing migration routes and possibly pushing some butterflies to stay put.

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

Monarch butterflies begin their spring migration in March. Learn why milkweed, weather, and timing are crucial for rebuilding their population.

Every March, millions of monarch butterflies begin a 3,000-mile migration from central Mexico to Canada, but no single butterfly finishes the journey. It takes three to four generations working in ...

Monarch Watch is contributing to a comprehensive study of the Monarch butterfly migration by tracking butterflies with tiny ...

Two new reports estimate a 64% increase in species population and a significant decrease in forest degradation in the butterfly's winter home ...

Add Yahoo as a preferred source to see more of our stories on Google. It's about that time of year for Oklahomans to spot monarch butterflies, the orange-and-black-winged insect known for their ...

Millions of monarch butterflies from across North America will begin their journey southward in search of a warmer winter climate. However, monarch butterflies face several threats, including humans, ...

To some people, seeing a monarch butterfly has meaning. These orange and black fliers can be a symbol of strength, change and more.

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

A daring surgical procedure has given a doomed monarch butterfly a new lease of life. The delicate operation was captured on ...