For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path ...

Journey North, which gathers reports from volunteers across the country, has been tracking the butterfly’s movement since the ...

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about the fascinating, ...

By any measure, the revival of the bald eagle stands as one of the great environmental triumphs in conservation history. In ...

Monarch butterflies are migrating through San Antonio, laying eggs on milkweed, while other species like the Gulf fritillary ...

The latest official report of monarch butterflies overwintering in Mexico has just been released and offers some ...

World’s greatest animal migrations, including Monarch butterfly migration and sea turtle hatchlings, are spectacular sights ...

This article offers essential guidance from Davidson College Professor Scott Villa for Carolina gardeners looking to support monarch butterflies. Native milkweed varieties like swamp milkweed ...

Central New York is set to welcome a remarkable natural event this spring as millions of monarch butterflies begin their ...