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

The number of monarch butterflies wintering in the mountains west of Mexico City, rebounded this year, doubling the area they ...

Mexican officials and environmental groups say better weather conditions on the butterflies’ migration route caused the ...

The film explores the life cycle of the Monarch butterfly, detailing its remarkable migration journey of up to 6,000 kilometers from Canada to Mexico. It explains the butterfly's anatomy, including ...

A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between ...

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.

Butterfly populations across the United States are declining, a trend reflected in the Western monarch butterfly population ...

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

The tagging of monarchs in New Zealand began shortly after the formation of the Monarch Butterfly NZ Trust in 2005-06. By ...

A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between ...

Butterflies are vanishing nationwide due to habitat loss, climate change and use of insecticides, according to a new study, ...