Learn facts about the monarch butterfly, including how how to tell male and female monarchs apart and if monarchs are ...

SAN DIEGO — U.S. Fish and Wildlife Service has proposed listing monarch butterflies as a threatened species and has considered some possibly contradictory ways to protect them, Nicholas Storer, vice ...

Monarch Watch is contributing to a comprehensive study of the Monarch butterfly migration by tracking butterflies with tiny ...

Before National Geographic published its famous August 1976 cover story detailing the search for the monarch butterfly’s wintering grounds, nobody knew where these strikingly beautiful creatures ...

U.S. wildlife officials announced a decision in December to extend federal protections to monarch butterflies after years of warnings from environmentalists that populations are shrinking and the ...

The once-common orange-and-black butterflies have declined by 90% in recent decades, with the latest count showing the second smallest population on record, according to the Center for Biological ...

Monarch butterfly migration is a long journey. Learn how these amazing butterflies make the trip, where monarchs migrate to and why.

Monarch butterflies are migrating north and have been spotted in states near Michigan. Although their wintering population doubled this year, monarchs have experienced a significant overall decline ...