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

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

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

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

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 ...

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, ...

Monarch season starts in earnest in the United States during the month of March, even though the whole migration doesn’t necessarily appear all at once. However, butterflies arriving from Mexico find ...

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 ...

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

DALLAS — Fall is officially here in Texas, and as the leaves turn color, something else orange will be visible in nature: the monarch butterfly. During the fall season, monarch butterflies will ...