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.

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

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

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about one of Earth's fascinating flyers in Michigan.

This proposal is a big deal — monarchs are among the most recognizable and beloved animals in the US — and a long time coming ...

Commissioner Sid Miller, Department of Agriculture report double increase in Mexico monarch butterfly population after 2024 ...

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

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

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

The migratory monarch butterfly has a lifespan of two to six ... make the journey south and spend the winter clustered in trees in Mexico and California. In the spring, they head to their spring ...