Beauty on the Wing: Life Story of the Monarch Butterfly is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV ...

A Pennsylvania butterfly farmer says listing the monarch as a threatened species could do more harm than good.

Monarch butterflies, known for their distinctive orange-and-black wings, are found across North America. Monarchs in the eastern United States spend their winters in Mexico and are counted by the ...

Public comments on the proposed Endangered Species Act listing for monarch butterflies are open until until March 12.

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 ...

Monarch butterflies are unique in their migration patterns. Eastern monarchs travel between Mexico and the U.S., spending ...

The number of monarch butterflies in California is in sharp decline this year, and biologists say record-high late summer temperatures and drought in the west likely contributed to the dropoff.

Related: How Southern California naturalists are trying to save monarch butterflies Randy Widera, director of programs for California State Parks Foundation, said: “No matter where you come from ...

The study was one of several that assessed the effects of climate change on three species of butterflies whose populations are declining.