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 ...

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

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 ...

From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds of the Camp Dodge military installation in central Iowa.

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

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...

Monarch butterflies -- including western monarchs, who winter in California and spend summers west of the Rockies -- were recently proposed for listing as threatened under the Endangered Species Act.

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.

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as federal officials move to extend protections for the beloved pollinator ...