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

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 one of Earth's fascinating flyers in Michigan.

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

Monarchs are usually seen in Michigan from late spring to early fall.

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

NEW YORK — A new carnivorous caterpillar that wears the remains of its prey was dubbed the “bone collector.” The odd insect ...

The monarch butterfly population in the eastern United States has declined sharply — an estimated 80% loss since the 1990s. Among the factors contributing to the decline: Loss of habitat, exposure to ...

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

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

Monarch butterflies left Mexico weeks ago on their annual northward migration. Now, the colorful insects are nearing Michigan as temperatures continue to warm. "Monarchs have made their way north ...