Monarch season starts in earnest in the United States during the month of March, even though the whole migration doesn’t ...

A newly released survey of the eastern monarch’s 2025-26 winter population in Mexico showed a 64% increase over 2024-25.

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

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

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

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 ...

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

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

Across North America, monarch butterfly populations will begin their journey southward to warmer winter climates in Mexico, travelling across much of the United States, including Oklahoma, along their ...

When 12-year-old Kaylee Timm released her pointer finger and thumb, the newly tagged monarch caught a breeze and fluttered directly south. Timm’s smile widened, revealing braces adorned with orange, ...

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