After stalling in Oklahoma in early April as they waited for milkweed to emerge, the butterflies have now crossed into Kansas ...

Every year, millions of monarch butterflies migrate from eastern areas of North America to the Sierra Madre Mountains in Mexico. Unlike other types of butterflies, monarchs are unable to withstand ...

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

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.

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

This week on 60 Minutes, correspondent Anderson Cooper reports on the migration of the monarch butterflies, an annual ...

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 ...

Here, a painted lady butterfly rests in a camel skull in Jordan. Foglia also soon realized that the butterflies' migration was taking place alongside human migration. He encountered people who ...

Here, a painted lady butterfly rests in a camel skull in Jordan. Foglia also soon realized that the butterflies' migration was taking place alongside human migration. He encountered people who, like ...

An extraordinary 3,500 km journey undertaken by an Olive Ridley turtle from Odisha to Maharashtra's Guhagar beach has upended long-standing assumptions about the species' migration patterns.