The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.

In the US, butterfly populations have dropped by 22% in a decade. A new study shows climate change, habitat loss, and pesticides are driving the decline.

As a child, her mother bought her a butterfly net, sparking a lifelong ... on a dream journey to Mexico to witness the breathtaking migration of these delicate creatures—by the thousands.

Millions of black and orange wings will flutter across the U.S. this spring, as the monarch butterflies make their annual trip from Mexico to Canada.

The film "Monarch Butterfly Story" explores the life cycle of the Monarch butterfly, detailing its stages from egg to caterpillar, to pupa, and finally to butterfly. It highlights the butterfly's ...

It's no ordinary cloud, but a billowing of beautiful Monarch butterflies on their annual migration north. Traveling an impressive 3,000 miles, the majestic winged creatures can be seen at various ...

In this article, we delve into the mysterious and captivating world of monarch butterfly migration. The migration of monarch butterflies covers up to 3,000 miles, a round trip that spans multiple ...

Monarch butterflies—including western monarchs ... their chrysalises when conditions are no longer suitable for fall migration. Though the field survey showed that monarch arrival times did ...

Each year, millions of monarch butterflies transform the skies into a living canvas, tracing a path across the United States in a migration as mysterious as it is awe-inspiring. This epic voyage, ...

A study involving a Binghamton University assistant professor reported a significant decline in the country's butterflies ...