Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of ...

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 ...

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.

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 ...

It's common knowledge that the monarch butterfly is in trouble. However, like the causes themselves, the story of why the ...

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

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